ICD-10-CM Alphabetic Index to Diseases and Injuries
Infection, infected, infective (opportunistic)
Default code: B99.9. Follow the subterms below to reach a more specific code.ICD-10 code for Infection — guide and common questions →
- with
- drug resistant organism — see Resistance (to), drug — see also specific organism
- lymphangitis — see Lymphangitis
- organ dysfunction (acute) R65.20
- with septic shock R65.21
- abscess (skin) - code by site under Abscess
- Absidia — see Mucormycosis
- Acanthamoeba — see Acanthamebiasis
- Acanthocheilonema (perstans) (streptocerca) B74.4
- accessory sinus (chronic) — see Sinusitis
- achorion — see Dermatophytosis
- Acinetobacter baumannii, as cause of disease classified elsewhere B96.83
- Acremonium falciforme B47.0
- acromioclavicular M00.9
- Actinobacillus (actinomycetem-comitans) A28.8
- mallei A24.0
- muris A25.1
- Actinomadura B47.1
- Actinomyces (israelii) A42.9 — see also Actinomycosis
- Actinomycetales — see Actinomycosis
- actinomycotic NOS — see Actinomycosis
- adenoid (and tonsil) J03.90
- chronic J35.02
- adenovirus NEC
- as cause of disease classified elsewhere B97.0
- unspecified nature or site B34.0
- aerogenes capsulatus A48.0
- aertrycke — see Infection, salmonella
- alimentary canal NOS — see Enteritis, infectious
- Allescheria boydii B48.2
- Alternaria B48.8
- alveolus, alveolar (process) K04.7
- Ameba, amebic (histolytica) — see Amebiasis
- amniotic fluid, sac or cavity O41.10-
- chorioamnionitis O41.12-
- placentitis O41.14-
- amputation stump (surgical) — see Complication, amputation stump, infection
- Ancylostoma (duodenalis) B76.0
- Anisakiasis, Anisakis larvae B81.0
- anthrax — see Anthrax
- antrum (chronic) — see Sinusitis, maxillary
- anus, anal (papillae) (sphincter) K62.89
- arbovirus (arbor virus) A94
- specified type NEC A93.8
- artificial insemination N98.0
- Ascaris lumbricoides — see Ascariasis
- Ascomycetes B47.0
- Aspergillus (flavus) (fumigatus) (terreus) — see Aspergillosis
- atypical
- acid-fast (bacilli) — see Mycobacterium, atypical
- mycobacteria — see Mycobacterium, atypical
- virus A81.9
- specified type NEC A81.89
- auditory meatus (external) — see Otitis, externa, infective
- auricle (ear) — see Otitis, externa, infective
- axillary gland (lymph) L04.2
- Bacillus A49.9
- abortus A23.1
- anthracis — see Anthrax
- ducreyi (any location) A57
- Flexner's A03.1
- Friedländer's NEC A49.8
- gas (gangrene) A48.0
- mallei A24.0
- melitensis A23.0
- paratyphoid, paratyphosus A01.4
- A A01.1
- B A01.2
- C A01.3
- Shiga (-Kruse) A03.0
- suipestifer — see Infection, salmonella
- swimming pool A31.1
- typhosa A01.00
- welchii — see Gangrene, gas
- bacterial NOS A49.9
- as cause of disease classified elsewhere B96.89
- Acinetobacter baumannii B96.83
- Bacteroides fragilis [B. fragilis] B96.6
- Clostridium perfringens [C. perfringens] B96.7
- Cronobacter (sakazakii) A49.8
- Enterobacter sakazakii B96.89
- Enterococcus B95.2
- Escherichia coli [E. coli] B96.20 — see also Escherichia coli
- Helicobacter pylori [H.pylori] B96.81
- Hemophilus influenzae [H. influenzae] B96.3
- Klebsiella pneumoniae [K. pneumoniae] B96.1
- Mycoplasma pneumoniae [M. pneumoniae] B96.0
- Proteus (mirabilis) (morganii) B96.4
- Pseudomonas (aeruginosa) (mallei) (pseudomallei) B96.5
- Staphylococcus B95.8
- aureus (methicillin susceptible) (MSSA) B95.61
- methicillin resistant (MRSA) B95.62
- specified NEC B95.7
- Streptococcus B95.5
- group A B95.0
- group B B95.1
- pneumoniae B95.3
- specified NEC B95.4
- Vibrio vulnificus B96.82
- specified NEC A48.8
- Bacterium
- paratyphosum A01.4
- A A01.1
- B A01.2
- C A01.3
- typhosum A01.00
- Bacteroides NEC A49.8
- fragilis, as cause of disease classified elsewhere B96.6
- Balantidium coli A07.0
- Bartholin's gland N75.8
- Basidiobolus B46.8
- bile duct (common) (hepatic) — see Cholangitis
- bladder — see Cystitis
- Blastomyces, blastomycotic — see also Blastomycosis
- brasiliensis — see Paracoccidioidomycosis
- dermatitidis — see Blastomycosis
- European — see Cryptococcosis
- Loboi B48.0
- North American B40.9
- South American — see Paracoccidioidomycosis
- bleb, postprocedure — see Blebitis
- bone — see Osteomyelitis
- Bordetella — see Whooping cough
- Borrelia bergdorfi A69.20
- brain G04.90 — see also Encephalitis
- membranes — see Meningitis
- septic G06.0
- meninges — see Meningitis, bacterial
- branchial cyst Q18.0
- breast — see Mastitis
- bronchus — see Bronchitis
- Brucella A23.9
- abortus A23.1
- canis A23.3
- melitensis A23.0
- mixed A23.8
- specified NEC A23.8
- suis A23.2
- Brugia (malayi) B74.1
- timori B74.2
- bursa — see Bursitis, infective
- buttocks (skin) L08.9
- Campylobacter, intestinal A04.5
- as cause of disease classified elsewhere B96.81
- Candida (albicans) (tropicalis) — see Candidiasis
- candiru B88.8
- Capillaria (intestinal) B81.1
- hepatica B83.8
- philippinensis B81.1
- cartilage — see Disorder, cartilage, specified type NEC
- catheter-related bloodstream (CRBSI) T80.211
- cat liver fluke B66.0
- cellulitis - code by site under Cellulitis
- central line-associated T80.219
- bloodstream (CLABSI) T80.211
- specified NEC T80.218
- Cephalosporium falciforme B47.0
- cerebrospinal — see Meningitis
- cervical gland (lymph) L04.0
- cervix — see Cervicitis
- cesarean delivery wound (puerperal) O86.00
- cestodes — see Infestation, cestodes
- chest J22
- Chilomastix (intestinal) A07.8
- Chlamydia, chlamydial A74.9
- anus A56.3
- genitourinary tract A56.2
- lower A56.00
- specified NEC A56.19
- lymphogranuloma A55
- pharynx A56.4
- psittaci A70
- rectum A56.3
- sexually transmitted NEC A56.8
- cholera — see Cholera
- Cladosporium
- bantianum (brain abscess) B43.1
- carrionii B43.0
- castellanii B36.1
- trichoides (brain abscess) B43.1
- werneckii B36.1
- Clonorchis (sinensis) (liver) B66.1
- Clostridioides
- difficile
- as cause of disease classified elsewhere B96.89
- foodborne (disease)
- not specified as recurrent A04.72
- recurrent A04.71
- gas gangrene A48.0
- necrotizing enterocolitis
- not specified as recurrent A04.72
- recurrent A04.71
- sepsis A41.4
- Clostridium NEC
- bifermentans A48.0
- botulinum (food poisoning) A05.1
- infant A48.51
- wound A48.52
- difficile
- as cause of disease classified elsewhere B96.89
- foodborne (disease)
- not specified as recurrent A04.72
- recurrent A04.71
- gas gangrene A48.0
- necrotizing enterocolitis
- not specified as recurrent A04.72
- recurrent A04.71
- sepsis A41.4
- gas-forming NEC A48.0
- histolyticum A48.0
- novyi, causing gas gangrene A48.0
- oedematiens A48.0
- perfringens
- as cause of disease classified elsewhere B96.7
- due to food A05.2
- foodborne (disease) A05.2
- gas gangrene A48.0
- sepsis A41.4
- septicum, causing gas gangrene A48.0
- sordellii, causing gas gangrene A48.0
- welchii
- as cause of disease classified elsewhere B96.7
- foodborne (disease) A05.2
- gas gangrene A48.0
- necrotizing enteritis A05.2
- sepsis A41.4
- Coccidioides (immitis) — see Coccidioidomycosis
- colon — see Enteritis, infectious
- colostomy K94.02
- common duct — see Cholangitis
- congenital P39.9
- Candida (albicans) P37.5
- cytomegalovirus P35.1
- hepatitis, viral P35.3
- herpes simplex P35.2
- infectious or parasitic disease P37.9
- specified NEC P37.8
- listeriosis (disseminated) P37.2
- malaria NEC P37.4
- falciparum P37.3
- Plasmodium falciparum P37.3
- poliomyelitis P35.8
- rubella P35.0
- skin P39.4
- toxoplasmosis (acute) (subacute) (chronic) P37.1
- tuberculosis P37.0
- urinary (tract) P39.3
- vaccinia P35.8
- virus P35.9
- specified type NEC P35.8
- Conidiobolus B46.8
- coronavirus-2019 U07.1
- coronavirus NEC B34.2
- as cause of disease classified elsewhere B97.29
- severe acute respiratory syndrome (SARS associated) B97.21
- corpus luteum — see Salpingo-oophoritis
- Corynebacterium diphtheriae — see Diphtheria
- cotia virus B08.8
- COVID-19 U07.1 — see also COVID-19
- Coxiella burnetii A78
- coxsackie — see Coxsackie
- Cronobacter (sakazakii) A49.8
- as cause of disease classified elsewhere B96.89
- generalized A41.59
- Cryptococcus neoformans — see Cryptococcosis
- Cryptosporidium A07.2
- Cunninghamella — see Mucormycosis
- cyst — see Cyst
- cystic duct K81.9 — see also Cholecystitis
- Cysticercus cellulosae — see Cysticercosis
- cytomegalovirus, cytomegaloviral B25.9
- congenital P35.1
- maternal, maternal care for (suspected) damage to fetus O35.3
- mononucleosis B27.10
- with
- complication NEC B27.19
- meningitis B27.12
- polyneuropathy B27.11
- delta-agent (acute), in hepatitis B carrier B17.0
- dental (pulpal origin) K04.7
- Deuteromycetes B47.0
- Dicrocoelium dendriticum B66.2
- Dipetalonema (perstans) (streptocerca) B74.4
- diphtherial — see Diphtheria
- Diphyllobothrium (adult) (latum) (pacificum) B70.0
- larval B70.1
- Diplogonoporus (grandis) B71.8
- Dipylidium caninum B67.4
- Dirofilaria B74.8
- Dracunculus medinensis B72
- Drechslera (hawaiiensis) B43.8
- ducreyi Haemophilus (any location) A57
- due to or resulting from
- artificial insemination N98.0
- Babesia
- divergens (-like) strain B60.03
- duncani (-type) species B60.02
- microti B60.01
- species
- specified NEC B60.09
- central venous catheter T80.219
- bloodstream T80.211
- exit or insertion site T80.212
- localized T80.212
- port or reservoir T80.212
- specified NEC T80.218
- tunnel T80.212
- device, implant or graft T85.79 — see also Complications, by site and type, infection or inflammation
- arterial graft NEC T82.7
- breast (implant) T85.79
- catheter NEC T85.79
- dialysis (renal) T82.7
- central line T80.211
- intraperitoneal T85.71
- infusion NEC T82.7
- cranial T85.735
- intrathecal T85.735
- spinal (epidural) (subdural) T85.735
- subarachnoid T85.735
- urinary T83.518
- cystostomy T83.510
- Hopkins T83.518
- ileostomy T83.518
- nephrostomy T83.512
- specified NEC T83.518
- urethral indwelling T83.511
- urostomy T83.518
- electronic (electrode) (pulse generator) (stimulator)
- bone T84.7
- cardiac T82.7
- nervous system T85.738
- brain T85.731
- cranial nerve T85.732
- gastric nerve T85.732
- generator pocket T85.734
- neurostimulator generator T85.734
- peripheral nerve T85.732
- sacral nerve T85.732
- spinal cord T85.733
- vagal nerve T85.732
- urinary T83.590
- fixation, internal (orthopedic) NEC — see Complication, fixation device, infection
- gastrointestinal (bile duct) (esophagus) T85.79
- neurostimulator electrode (lead) T85.732
- genital NEC T83.69
- heart NEC T82.7
- valve (prosthesis) T82.6
- graft T82.7
- joint prosthesis — see Complication, joint prosthesis, infection
- ocular (corneal graft) (orbital implant) NEC T85.79
- orthopedic NEC T84.7
- penile (cylinder) (pump) (reservoir) T83.61
- specified NEC T85.79
- testicular T83.62
- urinary NEC T83.598
- ileal conduit stent T83.593
- implanted neurostimulation T83.590
- implanted sphincter T83.591
- indwelling ureteral stent T83.592
- nephroureteral stent T83.593
- specified stent NEC T83.593
- vascular NEC T82.7
- ventricular intracranial (communicating) shunt T85.730
- Hickman catheter T80.219
- bloodstream T80.211
- localized T80.212
- specified NEC T80.218
- immunization or vaccination T88.0
- infusion, injection or transfusion NEC T80.29
- acute T80.22
- injury NEC - code by site under Wound, open
- peripherally inserted central catheter (PICC) T80.219
- bloodstream T80.211
- localized T80.212
- specified NEC T80.218
- portacath (port-a-cath) T80.219
- bloodstream T80.211
- localized T80.212
- specified NEC T80.218
- protozoa of the order Piroplasmida NEC B60.09
- pulmonary artery catheter — see Infection, due to or resulting from, central venous catheter
- surgery T81.40
- Swan Ganz catheter — see Infection, due to or resulting from, central venous catheter
- triple lumen catheter T80.219
- bloodstream T80.211
- localized T80.212
- specified NEC T80.218
- umbilical venous catheter T80.219
- bloodstream T80.211
- localized T80.212
- specified NEC T80.218
- during labor NEC O75.3
- ear (middle) — see also Otitis media
- external — see Otitis, externa, infective
- inner
- Eberthella typhosa A01.00
- Echinococcus — see Echinococcus
- echovirus
- as cause of disease classified elsewhere B97.12
- unspecified nature or site B34.1
- endocardium I33.0
- endocervix — see Cervicitis
- Entamoeba — see Amebiasis
- enteric — see Enteritis, infectious
- Enterobacter sakazakii B96.89
- Enterobius vermicularis B80
- enterostomy K94.12
- enterovirus B34.1
- as cause of disease classified elsewhere B97.10
- coxsackievirus B97.11
- echovirus B97.12
- specified NEC B97.19
- Entomophthora B46.8
- Epidermophyton — see Dermatophytosis
- epididymis — see Epididymitis
- episiotomy (puerperal) O86.09
- Erysipelothrix (insidiosa) (rhusiopathiae) — see Erysipeloid
- erythema infectiosum B08.3
- Escherichia (E.) coli NEC A49.8
- as cause of disease classified elsewhere B96.20 — see also Escherichia coli
- congenital P39.8
- sepsis P36.4
- generalized A41.51
- intestinal — see Enteritis, infectious, due to, Escherichia coli
- ethmoidal (chronic) (sinus) — see Sinusitis, ethmoidal
- eustachian tube (ear) — see Salpingitis, eustachian
- external auditory canal (meatus) NEC — see Otitis, externa, infective
- eye (purulent) — see Endophthalmitis, purulent
- eyelid — see Inflammation, eyelid
- fallopian tube — see Salpingo-oophoritis
- Fasciola (gigantica) (hepatica) (indica) B66.3
- Fasciolopsis (buski) B66.5
- filarial — see Infestation, filarial
- finger (skin) L08.9
- nail L03.01-
- fungus B35.1
- fish tapeworm B70.0
- larval B70.1
- flagellate, intestinal A07.9
- fluke — see Infestation, fluke
- focal
- teeth (pulpal origin) K04.7
- tonsils J35.01
- Fonsecaea (compactum) (pedrosoi) B43.0
- food — see Intoxication, foodborne
- foot (skin) L08.9
- dermatophytic fungus B35.3
- Francisella tularensis — see Tularemia
- frontal (sinus) (chronic) — see Sinusitis, frontal
- fungus NOS B49
- beard B35.0
- dermatophytic — see Dermatophytosis
- foot B35.3
- groin B35.6
- hand B35.2
- nail B35.1
- pathogenic to compromised host only B48.8
- perianal (area) B35.6
- scalp B35.0
- skin B36.9
- foot B35.3
- hand B35.2
- toenails B35.1
- Fusarium B48.8
- gallbladder — see Cholecystitis
- gas bacillus — see Gangrene, gas
- gastrointestinal — see Enteritis, infectious
- generalized NEC — see Sepsis
- generator pocket, implanted electronic neurostimulator T85.734
- genital organ or tract
- female — see Disease, pelvis, inflammatory
- male N49.9
- multiple sites N49.8
- specified NEC N49.8
- Ghon tubercle, primary A15.7
- Giardia lamblia A07.1
- gingiva (chronic) K05.10
- acute K05.00
- nonplaque induced K05.01
- plaque induced K05.00
- nonplaque induced K05.11
- plaque induced K05.10
- glanders A24.0
- glenosporopsis B48.0
- Gnathostoma (spinigerum) B83.1
- Gongylonema B83.8
- gonococcal — see Gonococcus
- gram-negative bacilli NOS A49.9
- guinea worm B72
- gum (chronic) K05.10
- acute K05.00
- nonplaque induced K05.01
- plaque induced K05.00
- nonplaque induced K05.11
- plaque induced K05.10
- Haemophilus — see Infection, Hemophilus
- heart — see Carditis
- Helicobacter pylori A04.8
- as cause of disease classified elsewhere B96.81
- helminths B83.9
- intestinal B82.0
- mixed (types classifiable to more than one of the titles B65.0-B81.3 and B81.8) B81.4
- specified type NEC B81.8
- specified type NEC B83.8
- Hemophilus
- aegyptius, systemic A48.4
- ducreyi (any location) A57
- influenzae NEC A49.2
- as cause of disease classified elsewhere B96.3
- generalized A41.3
- herpes (simplex) — see also Herpes
- congenital P35.2
- disseminated B00.7
- zoster B02.9
- herpesvirus, herpesviral — see Herpes
- hip (joint) NEC M00.9
- due to internal joint prosthesis
- left T84.52
- right T84.51
- skin NEC L08.9
- Heterophyes (heterophyes) B66.8
- Histoplasma — see Histoplasmosis
- American B39.4
- capsulatum B39.4
- hookworm B76.9
- human
- papilloma virus A63.0
- T-cell lymphotropic virus type-1 (HTLV-1) B33.3
- hydrocele N43.0
- Hymenolepis B71.0
- hypopharynx — see Pharyngitis
- inguinal (lymph) glands L04.1
- due to soft chancre A57
- intervertebral disc, pyogenic M46.30
- cervical region M46.32
- cervicothoracic region M46.33
- lumbar region M46.36
- lumbosacral region M46.37
- multiple sites M46.39
- occipito-atlanto-axial region M46.31
- sacrococcygeal region M46.38
- thoracic region M46.34
- thoracolumbar region M46.35
- intestine, intestinal — see Enteritis, infectious
- specified NEC A08.8
- intra-amniotic affecting newborn NEC P39.2
- intrauterine inflammation O41.12-
- Isospora belli or hominis A07.3
- Japanese B encephalitis A83.0
- jaw (bone) (lower) (upper) M27.2
- joint NEC M00.9
- due to internal joint prosthesis T84.50
- kidney (cortex) (hematogenous) N15.9
- with calculus N20.0
- with hydronephrosis N13.6
- following ectopic gestation O08.83
- pelvis and ureter (cystic) N28.85
- puerperal (postpartum) O86.21
- specified NEC N15.8
- Klebsiella (K.) pneumoniae NEC A49.8
- as cause of disease classified elsewhere B96.1
- knee (joint) NEC M00.9
- joint M00.9
- due to internal joint prosthesis
- left T84.54
- right T84.53
- skin L08.9
- Koch's — see Tuberculosis
- labia (majora) (minora) (acute) — see Vulvitis
- lacrimal
- gland — see Dacryoadenitis
- passages (duct) (sac) — see Inflammation, lacrimal, passages
- lancet fluke B66.2
- larynx NEC J38.7
- leg (skin) NOS L08.9
- Legionella pneumophila A48.1
- nonpneumonic A48.2
- Leishmania — see also Leishmaniasis
- aethiopica B55.1
- braziliensis B55.2
- chagasi B55.0
- donovani B55.0
- infantum B55.0
- major B55.1
- mexicana B55.1
- tropica B55.1
- lentivirus, as cause of disease classified elsewhere B97.31
- Leptosphaeria senegalensis B47.0
- Leptospira interrogans A27.9
- autumnalis A27.89
- canicola A27.89
- hebdomadis A27.89
- icterohaemorrhagiae A27.0
- pomona A27.89
- specified type NEC A27.89
- leptospirochetal NEC — see Leptospirosis
- Listeria monocytogenes — see also Listeriosis
- congenital P37.2
- Loa loa B74.3
- with conjunctival infestation B74.3
- eyelid B74.3
- Loboa loboi B48.0
- local, skin (staphylococcal) (streptococcal) L08.9
- abscess - code by site under Abscess
- cellulitis - code by site under Cellulitis
- specified NEC L08.89
- ulcer — see Ulcer, skin
- Loefflerella mallei A24.0
- lung J18.9 — see also Pneumonia
- atypical Mycobacterium A31.0
- spirochetal A69.8
- tuberculous — see Tuberculosis, pulmonary
- virus — see Pneumonia, viral
- lymph gland — see also Lymphadenitis, acute
- mesenteric I88.0
- lymphoid tissue, base of tongue or posterior pharynx, NEC (chronic) J35.03
- Madurella (grisea) (mycetomii) B47.0
- major
- following ectopic or molar pregnancy O08.0
- puerperal, postpartum, childbirth O85
- Malassezia furfur B36.0
- Malleomyces
- mallei A24.0
- pseudomallei (whitmori) — see Melioidosis
- mammary gland N61.0
- Mansonella (ozzardi) (perstans) (streptocerca) B74.4
- mastoid — see Mastoiditis
- maxilla, maxillary M27.2
- sinus (chronic) — see Sinusitis, maxillary
- mediastinum J98.51
- Medina (worm) B72
- meibomian cyst or gland — see Hordeolum
- meninges — see Meningitis, bacterial
- meningococcal A39.9 — see also condition
- adrenals A39.1
- brain A39.81
- cerebrospinal A39.0
- conjunctiva A39.89
- endocardium A39.51
- heart A39.50
- endocardium A39.51
- myocardium A39.52
- pericardium A39.53
- joint A39.83
- meninges A39.0
- meningococcemia A39.4
- acute A39.2
- chronic A39.3
- myocardium A39.52
- pericardium A39.53
- retrobulbar neuritis A39.82
- specified site NEC A39.89
- mesenteric lymph nodes or glands NEC I88.0
- Metagonimus B66.8
- metatarsophalangeal M00.9
- methicillin
- resistant Staphylococcus aureus (MRSA) A49.02
- susceptible Staphylococcus aureus (MSSA) A49.01
- Microsporum, microsporic — see Dermatophytosis
- mixed flora (bacterial) NEC A49.8
- Monilia — see Candidiasis
- Monosporium apiospermum B48.2
- mouth, parasitic B37.0
- Mucor — see Mucormycosis
- muscle NEC — see Myositis, infective
- mycelium NOS B49
- mycetoma B47.9
- actinomycotic NEC B47.1
- mycotic NEC B47.0
- Mycobacterium, mycobacterial — see Mycobacterium
- Mycoplasma NEC A49.3
- pneumoniae, as cause of disease classified elsewhere B96.0
- mycotic NOS B49
- pathogenic to compromised host only B48.8
- skin NOS B36.9
- myocardium NEC I40.0
- nail (chronic)
- with lymphangitis — see Lymphangitis, acute, digit
- finger L03.01-
- fungus B35.1
- ingrowing L60.0
- toe L03.03-
- fungus B35.1
- nasal sinus (chronic) — see Sinusitis
- nasopharynx — see Nasopharyngitis
- navel L08.82
- Necator americanus B76.1
- Neisseria — see Gonococcus
- Neotestudina rosatii B47.0
- newborn P39.9
- intra-amniotic NEC P39.2
- skin P39.4
- specified type NEC P39.8
- nipple N61.0
- associated with
- lactation O91.03
- pregnancy O91.01-
- puerperium O91.02
- Nocardia — see Nocardiosis
- obstetrical surgical wound (puerperal) O86.00
- incisional site
- deep O86.02
- superficial O86.01
- organ and space site O86.03
- surgical site specified NEC O86.09
- Oesophagostomum (apiostomum) B81.8
- Oestrus ovis — see Myiasis
- Oidium albicans B37.9
- Onchocerca (volvulus) — see Onchocerciasis
- oncovirus, as cause of disease classified elsewhere B97.32
- operation wound T81.49
- Opisthorchis (felineus) (viverrini) B66.0
- orbit, orbital — see Inflammation, orbit
- orthopoxvirus NEC B08.09
- ovary — see Salpingo-oophoritis
- Oxyuris vermicularis B80
- pancreas (acute) — see Pancreatitis, acute
- abscess — see Pancreatitis, acute
- specified NEC K85.80 — see also Pancreatitis, acute
- papillomavirus, as cause of disease classified elsewhere B97.7
- papovavirus NEC B34.4
- Paracoccidioides brasiliensis — see Paracoccidioidomycosis
- Paragonimus (westermani) B66.4
- parainfluenza virus B34.8
- parameningococcus NOS A39.9
- parapoxvirus B08.60
- specified NEC B08.69
- parasitic B89
- Parastrongylus
- cantonensis B83.2
- costaricensis B81.3
- paratyphoid A01.4
- Type A A01.1
- Type B A01.2
- Type C A01.3
- paraurethral ducts N34.2
- parotid gland — see Sialoadenitis
- parvovirus NEC B34.3
- as cause of disease classified elsewhere B97.6
- Pasteurella NEC A28.0
- multocida A28.0
- pestis — see Plague
- pseudotuberculosis A28.0
- septica (cat bite) (dog bite) A28.0
- tularensis — see Tularemia
- pelvic, female — see Disease, pelvis, inflammatory
- Penicillium (marneffei) B48.4
- penis (glans) (retention) NEC N48.29
- periapical K04.5
- peridental, periodontal K05.20
- generalized — see Periodontitis, aggressive, generalized
- localized — see Periodontitis, aggressive, localized
- perinatal period P39.9
- specified type NEC P39.8
- perineal repair (puerperal) O86.09
- periorbital — see Inflammation, orbit
- perirectal K62.89
- perirenal — see Infection, kidney
- peritoneal — see Peritonitis
- periureteral N28.89
- Petriellidium boydii B48.2
- pharynx — see also Pharyngitis
- coxsackievirus B08.5
- posterior, lymphoid (chronic) J35.03
- Phialophora
- gougerotii (subcutaneous abscess or cyst) B43.2
- jeanselmei (subcutaneous abscess or cyst) B43.2
- verrucosa (skin) B43.0
- Piedraia hortae B36.3
- pinta A67.9
- intermediate A67.1
- late A67.2
- mixed A67.3
- primary A67.0
- pinworm B80
- pityrosporum furfur B36.0
- pleuro-pneumonia-like organism (PPLO) NEC A49.3
- as cause of disease classified elsewhere B96.0
- pneumococcus, pneumococcal NEC A49.1
- as cause of disease classified elsewhere B95.3
- generalized (purulent) A40.3
- with pneumonia J13
- Pneumocystis carinii (pneumonia) B59
- Pneumocystis jirovecii (pneumonia) B59
- port or reservoir T80.212
- postoperative T81.40
- postoperative wound T81.49
- surgical site
- deep incisional T81.42
- organ and space T81.43
- specified NEC T81.49
- superficial incisional T81.41
- postprocedural T81.40
- postvaccinal T88.0
- prepuce NEC N47.7
- with penile inflammation N47.6
- prion — see Disease, prion, central nervous system
- prostate (capsule) — see Prostatitis
- Proteus (mirabilis) (morganii) (vulgaris) NEC A49.8
- as cause of disease classified elsewhere B96.4
- protozoal NEC B64
- intestinal A07.9
- specified NEC A07.8
- specified NEC B60.8
- Pseudoallescheria boydii B48.2
- Pseudomonas NEC A49.8
- as cause of disease classified elsewhere B96.5
- generalized A41.52
- mallei A24.0
- pneumonia J15.1
- pseudomallei — see Melioidosis
- puerperal O86.4
- genitourinary tract NEC O86.89
- major or generalized O85
- minor O86.4
- specified NEC O86.89
- pulmonary — see Infection, lung
- purulent — see Abscess
- Pyrenochaeta romeroi B47.0
- Q fever A78
- rectum (sphincter) K62.89
- renal — see also Infection, kidney
- pelvis and ureter (cystic) N28.85
- reovirus, as cause of disease classified elsewhere B97.5
- respiratory (tract) NEC J98.8
- acute J22
- chronic J98.8
- influenzal (upper) (acute) — see Influenza, with, respiratory manifestations NEC
- lower (acute) J22
- chronic — see Bronchitis, chronic
- rhinovirus J00
- syncytial virus (RSV) — see Infection, virus, respiratory syncytial (RSV)
- upper (acute) NOS J06.9
- chronic J39.8
- streptococcal J06.9
- viral NOS J06.9
- due to respiratory syncytial virus (RSV) J06.9
- resulting from
- presence of internal prosthesis, implant, graft — see Complications, by site and type, infection
- retortamoniasis A07.8
- retroperitoneal NEC K68.9
- retrovirus B33.3
- as cause of disease classified elsewhere B97.30
- human
- immunodeficiency, type 2 (HIV 2) B97.35
- T-cell lymphotropic
- type I (HTLV-I) B97.33
- type II (HTLV-II) B97.34
- lentivirus B97.31
- oncovirus B97.32
- specified NEC B97.39
- Rhinosporidium (seeberi) B48.1
- rhinovirus
- as cause of disease classified elsewhere B97.89
- unspecified nature or site B34.8
- Rhizopus — see Mucormycosis
- rickettsial NOS A79.9
- roundworm (large) NEC B82.0
- Ascariasis B77.9 — see also Ascariasis
- rubella — see Rubella
- Saccharomyces — see Candidiasis
- salivary duct or gland (any) — see Sialoadenitis
- Salmonella (aertrycke) (arizonae) (cholerae-suis) (enteritidis) (gallinarum) (suipestifer) (typhimurium) A02.9
- with
- (gastro)enteritis A02.0
- sepsis A02.1
- specified manifestation NEC A02.8
- due to food (poisoning) A02.9
- hirschfeldii A01.3
- localized A02.20
- arthritis A02.23
- meningitis A02.21
- osteomyelitis A02.24
- pneumonia A02.22
- pyelonephritis A02.25
- specified NEC A02.29
- paratyphi A01.4
- A A01.1
- B A01.2
- C A01.3
- schottmuelleri A01.2
- typhi, typhosa — see Typhoid
- Sarcocystis A07.8
- SARS-CoV-2 — see Infection, COVID-19
- scabies B86
- Schistosoma — see Infestation, Schistosoma
- scrotum (acute) NEC N49.2
- seminal vesicle — see Vesiculitis
- septic
- localized, skin — see Abscess
- Serratia NEC A49.8
- as cause of disease classified elsewhere B96.89
- generalized A41.53
- sheep liver fluke B66.3
- Shigella A03.9
- boydii A03.2
- dysenteriae A03.0
- flexneri A03.1
- group
- A A03.0
- B A03.1
- C A03.2
- D A03.3
- Schmitz (-Stutzer) A03.0
- schmitzii A03.0
- shigae A03.0
- sonnei A03.3
- specified NEC A03.8
- shoulder (joint) NEC M00.9
- due to internal joint prosthesis T84.59
- skin NEC L08.9
- sinus (accessory) (chronic) (nasal) — see also Sinusitis
- pilonidal — see Sinus, pilonidal
- skin NEC L08.89
- Skene's duct or gland — see Urethritis
- skin (local) (staphylococcal) (streptococcal) L08.9
- abscess - code by site under Abscess
- cellulitis - code by site under Cellulitis
- due to fungus B36.9
- specified type NEC B36.8
- mycotic B36.9
- specified type NEC B36.8
- newborn P39.4
- ulcer — see Ulcer, skin
- slow virus A81.9
- specified NEC A81.89
- Sparganum (mansoni) (proliferum) (baxteri) B70.1
- specific — see also Syphilis
- to perinatal period — see Infection, congenital
- specified NEC B99.8
- spermatic cord NEC N49.1
- sphenoidal (sinus) — see Sinusitis, sphenoidal
- spinal cord NOS G04.91 — see also Myelitis
- abscess G06.1
- meninges — see Meningitis
- streptococcal G04.89
- Spirillum A25.0
- spirochetal NOS A69.9
- lung A69.8
- specified NEC A69.8
- Spirometra larvae B70.1
- spleen D73.89
- Sporotrichum, Sporothrix (schenckii) — see Sporotrichosis
- staphylococcal, unspecified site
- aureus (methicillin susceptible) (MSSA) A49.01
- methicillin resistant (MRSA) A49.02
- as cause of disease classified elsewhere B95.8
- aureus (methicillin susceptible) (MSSA) B95.61
- methicillin resistant (MRSA) B95.62
- specified NEC B95.7
- food poisoning A05.0
- generalized (purulent) A41.2
- pneumonia — see Pneumonia, staphylococcal
- Stellantchasmus falcatus B66.8
- streptobacillus moniliformis A25.1
- streptococcal NEC A49.1
- as cause of disease classified elsewhere B95.5
- B genitourinary complicating
- childbirth O98.82
- pregnancy O98.81-
- puerperium O98.83
- congenital
- sepsis P36.10
- group B P36.0
- specified NEC P36.19
- generalized (purulent) A40.9
- Streptomyces B47.1
- Strongyloides (stercoralis) — see Strongyloidiasis
- stump (amputation) (surgical) — see Complication, amputation stump, infection
- subcutaneous tissue, local L08.9
- suipestifer — see Infection, salmonella
- swimming pool bacillus A31.1
- Taenia — see Infestation, Taenia
- Taeniarhynchus saginatus B68.1
- tapeworm — see Infestation, tapeworm
- tendon (sheath) — see Tenosynovitis, infective NEC
- Ternidens diminutus B81.8
- testis — see Orchitis
- threadworm B80
- throat — see Pharyngitis
- thyroglossal duct K14.8
- toe (skin) L08.9
- cellulitis L03.03-
- fungus B35.1
- nail L03.03-
- fungus B35.1
- tongue NEC K14.0
- parasitic B37.0
- tonsil (and adenoid) (faucial) (lingual) (pharyngeal) — see Tonsillitis
- tooth, teeth K04.7
- periapical K04.7
- peridental, periodontal K05.20
- generalized — see Periodontitis, aggressive, generalized
- localized — see Periodontitis, aggressive, localized
- pulp K04.01
- irreversible K04.02
- reversible K04.01
- socket M27.3
- TORCH — see Infection, congenital
- without active infection P00.2
- Torula histolytica — see Cryptococcosis
- Toxocara (canis) (cati) (felis) B83.0
- Toxoplasma gondii — see Toxoplasma
- trachea, chronic J42
- trematode NEC — see Infestation, fluke
- trench fever A79.0
- Treponema pallidum — see Syphilis
- Trichinella (spiralis) B75
- Trichomonas A59.9
- cervix A59.09
- intestine A07.8
- prostate A59.02
- specified site NEC A59.8
- urethra A59.03
- urogenitalis A59.00
- vagina A59.01
- vulva A59.01
- Trichophyton, trichophytic — see Dermatophytosis
- Trichosporon (beigelii) cutaneum B36.2
- Trichostrongylus B81.2
- Trichuris (trichiura) B79
- Trombicula (irritans) B88.09
- Trypanosoma
- brucei
- gambiense B56.0
- rhodesiense B56.1
- cruzi — see Chagas' disease
- tubal — see Salpingo-oophoritis
- tuberculous
- latent (LTBI) Z22.7
- NEC — see Tuberculosis
- tubo-ovarian — see Salpingo-oophoritis
- tunnel T80.212
- tunica vaginalis N49.1
- tympanic membrane NEC — see Myringitis
- typhoid (abortive) (ambulant) (bacillus) — see Typhoid
- typhus A75.9
- flea-borne A75.2
- mite-borne A75.3
- recrudescent A75.1
- tick-borne A77.9
- African A77.1
- North Asian A77.2
- umbilicus L08.82
- ureter — see Ureteritis
- urethra — see Urethritis
- urinary (tract) N39.0
- bladder — see Cystitis
- complicating
- pregnancy O23.4-
- specified type NEC O23.3-
- kidney — see Infection, kidney
- newborn P39.3
- puerperal (postpartum) O86.20
- tuberculous A18.13
- urethra — see Urethritis
- uterus, uterine — see Endometritis
- vaccination T88.0
- vaccinia not from vaccination B08.011
- vagina (acute) — see Vaginitis
- varicella B01.9
- varicose veins — see Varix
- vas deferens NEC N49.1
- vesical — see Cystitis
- Vibrio
- cholerae A00.0
- El Tor A00.1
- parahaemolyticus (food poisoning) A05.3
- vulnificus
- as cause of disease classified elsewhere B96.82
- foodborne intoxication A05.5
- Vincent's (gum) (mouth) (tonsil) A69.1
- virus, viral NOS B34.9
- adenovirus
- as cause of disease classified elsewhere B97.0
- unspecified nature or site B34.0
- arborvirus, arbovirus arthropod-borne A94
- as cause of disease classified elsewhere B97.89
- adenovirus B97.0
- coronavirus B97.29
- SARS-associated B97.21
- coxsackievirus B97.11
- echovirus B97.12
- enterovirus B97.10
- coxsackievirus B97.11
- echovirus B97.12
- specified NEC B97.19
- human
- immunodeficiency, type 2 (HIV 2) B97.35
- T-cell lymphotropic,
- type I (HTLV-I) B97.33
- type II (HTLV-II) B97.34
- metapneumovirus B97.81
- papillomavirus B97.7
- parvovirus B97.6
- reovirus B97.5
- respiratory syncytial (RSV) — see Infection, virus, respiratory syncytial (RSV)
- retrovirus B97.30
- human
- immunodeficiency, type 2 (HIV 2) B97.35
- T-cell lymphotropic,
- type I (HTLV-I) B97.33
- type II (HTLV-II) B97.34
- lentivirus B97.31
- oncovirus B97.32
- specified NEC B97.39
- specified NEC B97.89
- central nervous system A89
- atypical A81.9
- specified NEC A81.89
- enterovirus NEC A88.8
- meningitis A87.0
- slow virus A81.9
- specified NEC A81.89
- specified NEC A88.8
- chest J98.8
- cotia B08.8
- COVID-19 U07.1
- coxsackie B34.1 — see also Infection, coxsackie
- as cause of disease classified elsewhere B97.11
- ECHO
- as cause of disease classified elsewhere B97.12
- unspecified nature or site B34.1
- encephalitis, tick-borne A84.9
- enterovirus, as cause of disease classified elsewhere B97.10
- coxsackievirus B97.11
- echovirus B97.12
- specified NEC B97.19
- exanthem NOS B09
- human papilloma as cause of disease classified elsewhere B97.7
- human metapneumovirus as cause of disease classified elsewhere B97.81
- intestine — see Enteritis, viral
- respiratory syncytial (RSV)
- as cause of disease classified elsewhere B97.4
- bronchiolitis J21.0
- bronchitis J20.5
- bronchopneumonia J12.1
- otitis media H65.-
- pneumonia J12.1
- upper respiratory infection J06.9
- rhinovirus
- as cause of disease classified elsewhere B97.89
- unspecified nature or site B34.8
- slow A81.9
- specified NEC A81.89
- specified type NEC B33.8
- as cause of disease classified elsewhere B97.89
- unspecified nature or site B34.8
- unspecified nature or site B34.9
- West Nile — see Virus, West Nile
- vulva (acute) — see Vulvitis
- West Nile — see Virus, West Nile
- whipworm B79
- worms B83.9
- specified type NEC B83.8
- Wuchereria (bancrofti) B74.0
- malayi B74.1
- yatapoxvirus B08.70
- specified NEC B08.79
- yeast B37.9 — see also Candidiasis
- yellow fever — see Fever, yellow
- Yersinia
- enterocolitica (intestinal) A04.6
- pestis — see Plague
- pseudotuberculosis A28.2
- Zeis' gland — see Hordeolum
- Zika virus A92.5
- congenital P35.4
- zoonotic bacterial NOS A28.9
- Zopfia senegalensis B47.0