ICD-10-CM Alphabetic Index to Diseases and Injuries
Main terms: A
Look up a condition by its main term, then follow the indented subterms to the most specific code. Always confirm the code in the tabular list.
- Aarskog's syndrome Q87.19
- Abandonment
- Abasia (-astasia) (hysterical) F44.4
- Abderhalden-Kaufmann-Lignac syndrome (cystinosis) E72.04
- Abdomen, abdominal · 3
- Abdominalgia
- Abduction contracture, hip or other joint
- Aberrant (congenital) · 34
- Aberration · 2
- Abetalipoproteinemia E78.6
- Abiotrophy R68.89
- Ablatio, ablation · 1
- Ablepharia, ablepharon Q10.3
- Abnormal, abnormality, abnormalities · 473
- Abnormity (any organ or part)
- Abocclusion M26.29 · 2
- Abolition, language R48.8
- Aborter, habitual or recurrent
- Abortion (complete) (spontaneous) O03.9 · 153
- Abortus fever A23.1
- Aboulomania F60.7
- Abrami's disease D59.8
- Abramov-Fiedler myocarditis (acute isolated myocarditis) I40.1
- Abrasion T14.8 · 147
- Abrism
- Abruptio placentae O45.9- · 7
- Abruption, placenta
- Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91 · 572
- Absence (of) (organ or part) (complete or partial) · 344
- Absorbent system disease I87.8
- Absorption · 23
- Abstinence symptoms, syndrome · 29
- Abulia R68.89
- Abulomania F60.7
- Abuse · 237
- Acalculia R48.8 · 1
- Acanthamebiasis (with) B60.10 · 4
- Acanthocephaliasis B83.8
- Acanthocheilonemiasis B74.4
- Acanthocytosis E78.6
- Acantholysis L11.9
- Acanthosis (acquired) (nigricans) L83 · 5
- Acapnia E87.3
- Acarbia E87.29
- Acardia, acardius Q89.89
- Acardiacus amorphus Q89.89
- Acardiotrophia I51.4
- Acariasis B88.09 · 1
- Acarodermatitis (urticarioides) B88.09
- Acarophobia F40.218
- Acatalasemia, acatalasia E80.3
- Acathisia (drug induced) G25.71
- Accelerated atrioventricular conduction I45.6
- Accentuation of personality traits (type A) Z73.1
- Accessory (congenital) · 107
- Accident · 14
- Accidental
- Accommodation (disorder) · 4
- Accouchement
- Accreta placenta O43.21-
- Accretio cordis (nonrheumatic) I31.0
- Accretions, tooth, teeth K03.6
- Acculturation difficulty Z60.3
- Accumulation secretion, prostate N42.89
- Acephalia, acephalism, acephalus, acephaly Q00.0
- Acephalobrachia monster Q89.89
- Acephalochirus monster Q89.89
- Acephalogaster Q89.89
- Acephalostomus monster Q89.89
- Acephalothorax Q89.89
- Acerophobia F40.298
- Acetonemia R79.89 · 2
- Acetonuria R82.4
- Achalasia (cardia) (esophagus) K22.0 · 3
- Ache (s)
- Acheilia Q38.6
- Achillobursitis
- Achillodynia
- Achlorhydria, achlorhydric (neurogenic) K31.83 · 4
- Achluophobia F40.228
- Acholia K82.8
- Acholuric jaundice (familial) (splenomegalic) · 1
- Achondrogenesis Q77.0
- Achondroplasia (osteosclerosis congenita) Q77.4
- Achroma, cutis L80
- Achromat (ism), achromatopsia (acquired) (congenital) H53.51
- Achromia, congenital
- Achromia parasitica B36.0
- Achylia gastrica K31.89 · 1
- Acid · 12
- Acidemia E87.20 · 10
- Acidity, gastric (high) K30 · 1
- Acidocytopenia
- Acidocytosis D72.10
- Acidopenia
- Acidosis (lactic) E87.20 · 23
- Aciduria · 8
- Acladiosis (skin) B36.0
- Aclasis, diaphyseal Q78.6
- Acleistocardia Q21.19
- Aclusion
- Acne L70.9 · 24
- Acnitis (primary) A18.4
- Acosta's disease T70.29
- Acoustic
- Acousticophobia F40.298
- ACPO (acute colonic pseudo-obstruction) K59.81
- Acquired · 1
- Acrania Q00.0
- Acroangiodermatitis I78.9
- Acroasphyxia, chronic I73.89
- Acrobystitis N47.7
- Acrocephalopolysyndactyly Q87.0
- Acrocephalosyndactyly Q87.0
- Acrocephaly Q75.009
- Acrochondrohyperplasia
- Acrocyanosis I73.89 · 2
- Acrodermatitis L30.8 · 8
- Acrodynia
- Acromegaly, acromegalia E22.0
- Acromelalgia I73.81
- Acromicria, acromikria Q79.8
- Acronyx L60.0
- Acropachy, thyroid
- Acroparesthesia (simple) (vasomotor) I73.89
- Acropathy, thyroid
- Acrophobia F40.241
- Acroposthitis N47.7
- Acroscleriasis, acroscleroderma, acrosclerosis
- Acrosphacelus I96
- Acrospiroma, eccrine
- Acrostealgia
- Acrotrophodynia
- ACTH ectopic syndrome E24.3
- Actinic
- Actinobacillosis, actinobacillus A28.8 · 2
- Actinomyces israelii (infection)
- Actinomycetoma (foot) B47.1
- Actinomycosis, actinomycotic A42.9 · 8
- Actinoneuritis G62.82
- Action, heart · 3
- Activated protein C resistance D68.51
- Activation · 5
- Active
- Acute · 2
- Acyanotic heart disease (congenital) Q24.9
- Acystia Q64.5
- Adair-Dighton syndrome (brittle bones and blue sclera, deafness) Q78.0
- Adamantinoblastoma
- Adamantinoma · 7
- Adamantoblastoma
- Adams-Stokes (-Morgagni) disease or syndrome I45.9
- Adaption reaction
- Addiction F19.20 · 14
- Addisonian crisis E27.2
- Addison's · 4
- Addison-Biermer anemia (pernicious) D51.0
- Addison-Schilder complex E71.528
- Additional · 4
- Adduction contracture, hip or other joint
- Adenitis · 39
- Adenoacanthoma
- Adenoameloblastoma
- Adenocarcinoid (tumor)
- Adenocarcinoma · 142
- Adenocarcinoma-in-situ · 1
- Adenofibroma · 16
- Adenofibrosis · 2
- Adenoiditis (chronic) J35.02 · 9
- Adenoids
- Adenolipoma
- Adenolipomatosis, Launois-Bensaude E88.89
- Adenolymphoma · 2
- Adenoma · 136
- Adenomatosis · 8
- Adenomatous · 3
- Adenomyoma · 1
- Adenomyometritis N80.00
- Adenomyosis (uterus) N80.03
- Adenopathy (lymph gland) R59.9 · 12
- Adenosalpingitis
- Adenosarcoma
- Adenosclerosis I88.8
- Adenosis (sclerosing) breast
- Adenovirus, as cause of disease classified elsewhere B97.0
- Adentia (complete) (partial)
- Adherent · 8
- Adhesions, adhesive (postinfective) K66.0 · 146
- Adiaspiromycosis B48.8
- Adie (-Holmes) pupil or syndrome
- Adiponecrosis neonatorum P83.88
- Adiposis · 2
- Adiposity · 2
- Adiposogenital dystrophy E23.6
- Adjustment · 4
- Administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility Z92.82
- Admission (for) · 253
- Adnexitis (suppurative)
- Adolescent X-linked adrenoleukodystrophy E71.521
- Adrenal (gland)
- Adrenalism, tuberculous A18.7
- Adrenalitis, adrenitis E27.8 · 2
- Adrenarche, premature E27.0
- Adrenocortical syndrome
- Adrenogenital syndrome E25.9 · 3
- Adrenogenitalism, congenital E25.0
- Adrenoleukodystrophy E71.529 · 8
- Adrenomyeloneuropathy E71.522
- Adventitious bursa
- Adverse effect
- Advice
- Adynamia (episodica) (hereditary) (periodic) G72.3
- Aeration lung imperfect, newborn
- Aerobullosis T70.3
- Aerocele
- Aerodermectasia · 1
- Aerodontalgia T70.29
- Aeroembolism T70.3
- Aerogenes capsulatus infection A48.0
- Aero-otitis media T70.0
- Aerophagy, aerophagia (psychogenic) F45.8
- Aerophobia F40.228
- Aerosinusitis T70.1
- Aerotitis T70.0
- Affection
- Afibrinogenemia D68.8 · 5
- African · 5
- Aftercare Z51.89 · 60
- After-cataract
- Agalactia (primary) O92.3 · 1
- Agammaglobulinemia (acquired (secondary)) (nonfamilial) D80.1 · 11
- Aganglionosis (bowel) (colon) Q43.1
- Age (old)
- Agenesis · 204
- Ageusia R43.2
- Agitated
- Agitation R45.1
- AGL (acquired generalized lipodystrophy) E88.12
- Aglossia (congenital) Q38.3
- Aglossia-adactylia syndrome Q87.0
- Aglycogenosis E74.00
- Agnosia (body image) (other senses) (tactile) R48.1 · 6
- Agoraphobia F40.00 · 2
- Agrammatism R48.8
- Agranulocytopenia
- Agranulocytosis (chronic) (cyclical) (genetic) (infantile) (periodic) (pernicious) D70.9 · 8
- Agraphia (absolute) R48.8 · 2
- Ague (dumb)
- Agyria Q04.3
- Ahumada-del Castillo syndrome E23.0
- Aichomophobia F40.298
- AIDS (related complex) B20
- Ailment heart
- Ailurophobia F40.218
- Ainhum (disease) L94.6
- AIN
- AIPHI (acute idiopathic pulmonary hemorrhage in infants (over 28 days old)) R04.81
- Air · 15
- Airplane sickness T75.3
- Akathisia (drug-induced) (treatment-induced) G25.71 · 2
- Akinesia R29.898
- Akinetic mutism R41.89
- Akureyri's disease G93.39
- Alactasia, congenital E73.0
- Alagille (-Watson) syndrome Q44.71
- Alastrim B03
- Albers-Schönberg syndrome Q78.2
- Albert's syndrome
- Albinism, albino E70.30 · 15
- Albinismus E70.30
- Albright (-McCune)(-Sternberg) syndrome Q78.1
- Albuminous
- Albuminuria, albuminuric (acute) (chronic) (subacute) R80.9 · 12
- Albuminurophobia F40.298
- Alcaptonuria E70.29
- Alcohol, alcoholic, alcohol-induced · 56
- Alcoholism (chronic) (without remission) F10.20 · 5
- Alder (-Reilly) anomaly or syndrome (leukocyte granulation) D72.0
- Aldosteronism E26.9 · 6
- Aldosteronoma D44.10
- Aldrich (-Wiskott) syndrome (eczema-thrombocytopenia) D82.0
- Alektorophobia F40.218
- Aleppo boil B55.1
- Aleukemic
- Aleukia · 4
- Alexia R48.0 · 2
- Algoneurodystrophy M89.00 · 10
- Algophobia F40.298
- Alienation, mental
- Alkalemia E87.3
- Alkalosis E87.3 · 4
- Alkaptonuria E70.29
- Allen-Masters syndrome N83.8
- Allergy, allergic (reaction) (to) T78.40 · 130
- Allescheriasis B48.2
- Alligator skin disease Q80.9
- Allocheiria, allochiria R20.8
- Almeida's disease
- Alopecia (hereditaria) (seborrheica) L65.9 · 25
- Alpers' disease G31.81
- Alpine sickness T70.29
- Alport syndrome Q87.81
- ALTE (apparent life threatening event) in newborn and infant R68.13
- Alteration (of), Altered · 13
- Alternating
- Altitude, high (effects)
- Aluminosis (of lung) J63.0
- Alveolitis · 7
- Alveolus, alveolar
- Alymphocytosis D72.810 · 1
- Alymphoplasia, thymic D82.1
- Alzheimer's disease or sclerosis
- Amastia (with nipple present) Q83.8 · 1
- Amathophobia F40.228
- Amaurosis (acquired) (congenital) · 4
- Amaurotic idiocy (infantile) (juvenile) (late) E75.4
- Amaxophobia F40.248
- Ambiguous genitalia Q56.4
- Amblyopia (congenital) (ex anopsia) (partial) (suppression) H53.00- · 11
- Ameba, amebic (histolytica) · 1
- Amebiasis A06.9 · 13
- Ameboma (of intestine) A06.3
- Amelia Q73.0 · 2
- Ameloblastoma · 7
- Amelogenesis imperfecta K00.5 · 1
- Amenorrhea N91.2 · 3
- Amentia · 1
- American · 2
- Ametropia
- AMH (asymptomatic microscopic hematuria) R31.21
- Amianthosis J61
- Amimia R48.8
- Amino-acid disorder E72.9 · 1
- Aminoacidopathy E72.9
- Aminoaciduria E72.9
- AMKD (APOL1-mediated kidney disease) (with glomerulonephritis) (with glomerulosclerosis) N07.B
- Amnes (t)ic syndrome (post-traumatic) F04 · 9
- Amnesia R41.3 · 9
- Amnion, amniotic
- Amnionitis
- Amok F68.8
- Amoral traits F60.89
- Amphetamine (or other stimulant)-induced · 9
- Ampulla · 2
- Amputation · 117
- Amputee (bilateral) (old) Z89.9
- Amsterdam dwarfism Q87.19
- Amusia R48.8 · 1
- Amyelencephalus, amyelencephaly Q00.0
- Amyelia Q06.0
- Amygdalitis
- Amygdalolith J35.8
- Amyloid heart (disease) E85.4
- Amyloidosis (generalized) (primary) E85.9 · 19
- Amylopectinosis (brancher enzyme deficiency) E74.03
- Amylophagia
- Amyoplasia congenita Q79.8
- Amyotonia M62.89 · 1
- Amyotrophia, amyotrophy, amyotrophic G71.8 · 5
- Anacidity, gastric K31.83 · 1
- Anaerosis of newborn P28.89
- Analbuminemia E88.09
- Analgesia
- Analphalipoproteinemia E78.6
- Anaphylactic · 2
- Anaphylactoid shock or reaction
- Anaphylactoid syndrome of pregnancy O88.01-
- Anaphylaxis
- Anaplasia cervix N87.9
- Anaplasmosis [A. phagocytophilum] (transfusion transmitted) A79.82 · 1
- Anarthria R47.1
- Anasarca R60.1 · 6
- Anastomosis · 10
- Anatomical narrow angle H40.03-
- Ancylostoma, ancylostomiasis (braziliense) (caninum) (ceylanicum) (duodenale) B76.0 · 1
- Andersen's disease (glycogen storage) E74.09
- Anderson-Fabry disease E75.21
- Andes disease T70.29
- Andrews' disease (bacterid) L08.89
- Androblastoma · 24
- Androgen insensitivity syndrome E34.50
- Androgen resistance syndrome E34.50
- Android pelvis Q74.2 · 2
- Androphobia F40.290
- Anectasis, pulmonary (newborn)
- Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) D64.9 · 396
- Anemophobia F40.228
- Anencephalus, anencephaly Q00.0
- Anergasia
- Anesthesia, anesthetic R20.0 · 16
- Anetoderma (maculosum) (of) L90.8 · 2
- Aneurin deficiency E51.9
- Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) I72.9 · 224
- Angelman syndrome Q93.51
- Anger R45.4
- Angiectasis, angiectopia I99.8
- Angiitis I77.6 · 5
- Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) I20.9 · 49
- Angioblastoma
- Angiocholecystitis
- Angiocholitis K83.09
- Angiodysgenesis spinalis G95.19
- Angiodysplasia (cecum) (colon) K55.20 · 5
- Angioedema (allergic) (any site) (with urticaria) T78.3 · 2
- Angioendothelioma · 7
- Angioendotheliomatosis C85.8-
- Angiofibroma · 3
- Angiohemophilia (A) (B)
- Angioid streaks (choroid) (macula) (retina) H35.33
- Angiokeratoma · 1
- Angioleiomyoma
- Angiolipoma · 1
- Angioma · 18
- Angiomatosis Q82.8 · 5
- Angiomyolipoma
- Angiomyoliposarcoma
- Angiomyoma
- Angiomyosarcoma
- Angiomyxoma
- Angioneurosis F45.8
- Angioneurotic edema (allergic) (any site) (with urticaria) T78.3 · 1
- Angiopathia, angiopathy I99.9 · 10
- Angiosarcoma · 1
- Angiosclerosis
- Angiospasm (peripheral) (traumatic) (vessel) I73.9 · 13
- Angiospastic disease or edema I73.9
- Angiostrongyliasis · 5
- Anguillulosis
- Angulation · 16
- Angulus infectiosus (lips) K13.0
- Anhedonia R45.84 · 1
- Anhidrosis L74.4
- Anhydration E86.0
- Anhydremia E86.0
- Anidrosis L74.4
- Aniridia (congenital) Q13.1
- Anisakiasis (infection) (infestation) B81.0
- Anisakis larvae infestation B81.0
- Aniseikonia H52.32
- Anisocoria (pupil) H57.02 · 1
- Anisocytosis R71.8
- Anisometropia (congenital) H52.31
- Ankle
- Ankyloblepharon (eyelid) (acquired) · 2
- Ankyloglossia Q38.1
- Ankylosis (fibrous) (osseous) (joint) M24.60 · 24
- Ankylostoma
- Ankylostomiasis
- Ankylurethria
- Annular · 3
- Anoctaminopathy G71.035
- Anodontia (complete) (partial) (vera) K00.0 · 1
- Anomaly, anomalous (congenital) (unspecified type) Q89.9 · 631
- Anomia R48.8
- Anonychia (congenital) Q84.3 · 1
- Anophthalmos, anophthalmus (congenital) (globe) Q11.1 · 1
- Anopia, anopsia H53.46- · 1
- Anorchia, anorchism, anorchidism Q55.0
- Anorexia R63.0 · 6
- Anorgasmy, psychogenic (female) F52.31 · 1
- Anosmia R43.0 · 2
- Anosognosia R41.85
- Anosteoplasia Q78.9
- Anovulatory cycle N97.0
- Anoxemia R09.02 · 1
- Anoxia (pathological) R09.02 · 20
- Anteflexion
- Antenatal · 2
- Antepartum
- Anterior
- Antero-occlusion M26.220
- Anteversion · 5
- Anthophobia F40.228
- Anthracosilicosis J60
- Anthracosis (lung) (occupational) J60 · 1
- Anthrax A22.9 · 12
- Anthropoid pelvis Q74.2 · 1
- Anthropophobia F40.10 · 1
- Antibodies, maternal (blood group) · 2
- Antibody · 20
- Anticardiolipin syndrome D68.61
- Anticoagulant, circulating (intrinsic) D68.318 · 2
- Antidiuretic hormone syndrome E22.2
- Antimonial cholera
- Antiphospholipid · 3
- Antisocial personality F60.2
- Antithrombinemia
- Antithromboplastinemia D68.318
- Antithromboplastinogenemia D68.318
- Antitoxin complication or reaction
- Antlophobia F40.228
- Antritis J32.0 · 5
- Antrum, antral
- Anuria R34 · 9
- Anus, anal
- Anusitis K62.89
- Anxiety F41.9 · 10
- Aorta, aortic
- Aortectasia · 1
- Aortitis (nonsyphilitic) (calcific) I77.6 · 7
- Apathetic thyroid storm
- Apathy R45.3
- Apeirophobia F40.228
- Apepsia K30 · 1
- Aperistalsis, esophagus K22.0
- Apertognathia M26.29
- Apert's syndrome Q87.0
- Aphagia R13.0 · 1
- Aphakia (acquired) (postoperative) H27.0- · 1
- Aphasia (amnestic) (global) (nominal) (semantic) (syntactic) R47.01 · 19
- Aphonia (organic) R49.1 · 2
- Aphthae, aphthous · 12
- Apical
- Apiphobia F40.218
- APL (acquired partial lipodystrophy) E88.11
- Aplasia · 56
- Apnea, apneic (of) (spells) R06.81 · 20
- Apneumatosis, newborn P28.0
- Apocrine metaplasia (breast)
- Apophysitis (bone) · 2
- Apoplectiform convulsions (cerebral ischemia) I67.82
- Apoplexia, apoplexy, apoplectic · 6
- Appearance · 3
- Appendage · 4
- Appendicitis (pneumococcal) (retrocecal) K37 · 58
- Appendicopathia oxyurica B80
- Appendix, appendicular · 6
- Appetite · 6
- Apple peel syndrome Q41.1
- Apprehension state F41.1
- Apprehensiveness, abnormal F41.9
- Approximal wear K03.0
- Apraxia (classic) (ideational) (ideokinetic) (ideomotor) (motor) (verbal) R48.2 · 9
- Aptyalism K11.7
- Apudoma
- Aqueous misdirection H40.83-
- Arabicum elephantiasis
- Arachnitis
- Arachnodactyly
- Arachnoiditis (acute) (adhesive) (basal) (brain) (cerebrospinal)
- Arachnophobia F40.210
- Arboencephalitis, Australian A83.4
- Arborization block (heart) I45.5
- ARC (AIDS-related complex) B20
- Arch · 2
- Arches
- Arcuate uterus Q51.810
- Arcuatus uterus Q51.810
- Arcus (cornea) senilis
- Arc-welder's lung J63.4
- Areflexia R29.2
- Areola
- Argentaffinoma · 2
- Argininemia E72.21
- Arginosuccinic aciduria E72.22
- Argyll Robertson phenomenon, pupil or syndrome (syphilitic) A52.19 · 2
- Argyria, argyriasis · 2
- Argyrosis, conjunctival H11.13-
- Arhinencephaly Q04.1
- Ariboflavinosis E53.0
- Arm
- Arnold-Chiari disease, obstruction or syndrome (type II) Q07.00 · 7
- Aromatic amino-acid metabolism disorder E70.9 · 1
- Arousals, confusional G47.51
- Arrest, arrested · 52
- Arrhenoblastoma · 14
- Arrhythmia (auricle)(cardiac)(juvenile)(nodal)(reflex)(supraventricular)(transitory)(ventricle) I49.9 · 13
- Arrillaga-Ayerza syndrome (pulmonary sclerosis with pulmonary hypertension) I27.0
- Arsenical pigmentation L81.8 · 1
- Arsenism
- Arterial
- Arteriofibrosis
- Arteriolar sclerosis
- Arteriolith
- Arteriolitis I77.6 · 2
- Arteriolosclerosis
- Arterionephrosclerosis
- Arteriopathy I77.9 · 1
- Arteriosclerosis, arteriosclerotic (diffuse) (obliterans) (of) (senile) (with calcification) I70.90 · 603
- Arteriospasm I73.9
- Arteriovenous
- Arteritis I77.6 · 36
- Artery, arterial · 2
- Arthralgia (allergic) · 2
- Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90 · 354
- Arthrocele
- Arthrodesis status Z98.1
- Arthrodynia
- Arthrodysplasia Q74.9
- Arthrofibrosis, joint
- Arthrogryposis (congenital) Q68.8 · 1
- Arthrokatadysis M24.7
- Arthropathy M12.9 · 171
- Arthropyosis
- Arthrosis (deformans) (degenerative) (localized) M19.90 · 1
- Arthus' phenomenon or reaction T78.41 · 2
- Articular
- Articulation, reverse (teeth) M26.24
- Artificial · 21
- Arytenoid
- Asadollahi-Rauch syndrome Q87.85
- Asbestosis (occupational) J61
- ASC-H (atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear) · 3
- ASC-US (atypical squamous cells of undetermined significance on cytologic smear) · 3
- Ascariasis B77.9 · 4
- Ascaridosis, ascaridiasis
- Ascaris (infection) (infestation) (lumbricoides)
- Ascending
- Aschoff's bodies
- Ascites (abdominal) R18.8 · 15
- Aseptic
- Asherman's syndrome N85.6
- Asialia K11.7
- Asiatic cholera
- Asimultagnosia (simultanagnosia) R48.3
- Askin's tumor
- Asocial personality F60.2
- Asomatognosia R41.4
- Aspartylglucosaminuria E77.1
- Asperger's disease or syndrome F84.5
- Aspergilloma
- Aspergillosis (with pneumonia) B44.9 · 8
- Aspergillus (flavus) (fumigatus) (infection) (terreus)
- Aspermatogenesis
- Aspermia (testis)
- Asphyxia, asphyxiation (by) R09.01 · 74
- Aspiration · 52
- Asplenia (congenital) Q89.01 · 2
- Assam fever B55.0
- Assault, sexual
- Assmann's focus NEC A15.0
- Astasia (-abasia) (hysterical) F44.4
- Asteatosis cutis L85.3
- Astereognosia, astereognosis R48.1
- Asterixis R27.8 · 1
- Asteroid hyalitis
- Asthenia, asthenic R53.1 · 17
- Asthenopia · 2
- Asthenospermia
- Asthma, asthmatic (bronchial) (catarrh) (spasmodic) J45.909 · 106
- Astigmatism (compound) (congenital) H52.20- · 2
- Astraphobia F40.220
- Astroblastoma · 2
- Astrocytoma (cystic) · 32
- Astroglioma · 2
- Asymbolia R48.8
- Asymmetry · 3
- Asynergia, asynergy R27.8 · 1
- Asystole (heart)
- At risk · 8
- Ataxia, ataxy, ataxic R27.0 · 56
- Ataxia-telangiectasia (Louis-Bar) G11.3
- Atelectasis (massive) (partial) (pressure) (pulmonary) J98.11 · 7
- Atelocardia Q24.9
- Atelomyelia Q06.1
- Atheroembolism · 6
- Atheroma, atheromatous I70.90 · 17
- Atheromatosis
- Atherosclerosis · 11
- Athetosis (acquired) R25.8 · 4
- Athlete's · 2
- Athrepsia E41
- Athyrea (acquired) · 1
- Atonia, atony, atonic · 15
- Atopy
- Atransferrinemia, congenital E88.09
- Atresia, atretic · 143
- Atrichia, atrichosis
- Atrophia · 8
- Atrophie blanche (en plaque) (de Milian) L95.0
- Atrophoderma, atrophodermia (of) L90.9 · 12
- Atrophy, atrophic (of) · 264
- Attack, attacks · 30
- Attention (to) · 27
- Attrition · 2
- Atypical, atypism · 7
- Auditory
- Aujeszky's disease B33.8
- Aurantiasis, cutis E67.1
- Auricle, auricular · 1
- Auriculotemporal syndrome G50.8
- Austin Flint murmur (aortic insufficiency) I35.1
- Australian · 2
- Autism, autistic (childhood) (infantile) F84.0 · 2
- Autoantibodies, multiple confirmed islet, with normoglycemia E10.A1
- Autodigestion R68.89
- Autoerythrocyte sensitization (syndrome) D69.2
- Autographism L50.3
- Autoimmune · 4
- Autoimmunity, confirmed islet, with dysglycemia E10.A2
- Autointoxication R68.89
- Automatism G93.89 · 3
- Autonomic, autonomous · 2
- Autosensitivity, erythrocyte D69.2
- Autosensitization, cutaneous L30.2
- Autosome
- Autotopagnosia R48.1
- Autotoxemia R68.89
- Autumn
- Avellis' syndrome G46.8
- Aversion · 4
- Aviator's · 2
- Avitaminosis (multiple) E56.9 · 12
- AVNRT (atrioventricular nodal re-entrant tachycardia) I47.19
- AVRT (atrioventricular nodal re-entrant tachycardia) I47.19
- Avulsion (traumatic) · 24
- Awareness of heart beat R00.2
- Axenfeld's · 2
- Axilla, axillary · 1
- Axonotmesis
- Ayerza's disease or syndrome (pulmonary artery sclerosis with pulmonary hypertension) I27.0
- Azoospermia (organic) N46.01 · 7
- Azotemia R79.89 · 1
- Aztec ear Q17.3
- Azygos · 2