ICD-10 code for syphilis

• abdomen (late) A52.79 — Other symptomatic late syphilis
• acoustic nerve A52.15 — Late syphilitic neuropathy
• adenopathy (secondary) A51.49 — Other secondary syphilitic conditions
• adrenal (gland) (with cortical hypofunction) A52.79 — Other symptomatic late syphilis
• age under 2 years NOS
• acquired A51.9 — Early syphilis, unspecified
• alopecia (secondary) A51.32 — Syphilitic alopecia
• anemia (late) A52.79 — Other symptomatic late syphilis
• aneurysm (aorta) (ruptured) A52.01 — Syphilitic aneurysm of aorta
• central nervous system A52.05 — Other cerebrovascular syphilis
• congenital A50.54 — Late congenital cardiovascular syphilis
• anus (late) A52.74 — Syphilis of liver and other viscera
• primary A51.1 — Primary anal syphilis
• secondary A51.39 — Other secondary syphilis of skin
• aorta (arch) (abdominal) (thoracic) A52.02 — Syphilitic aortitis
• aneurysm A52.01 — Syphilitic aneurysm of aorta
• aortic (insufficiency) (regurgitation) (stenosis) A52.03 — Syphilitic endocarditis
• aneurysm A52.01 — Syphilitic aneurysm of aorta
• arachnoid (adhesive) (cerebral) (spinal) A52.13 — Late syphilitic meningitis
• asymptomatic
• ataxia (locomotor) A52.11 — Tabes dorsalis
• atrophoderma maculatum A51.39 — Other secondary syphilis of skin
• auricular fibrillation A52.06 — Other syphilitic heart involvement
• bladder (late) A52.76 — Other genitourinary symptomatic late syphilis
• bone A52.77 — Syphilis of bone and joint
• secondary A51.46 — Secondary syphilitic osteopathy
• brain A52.17 — General paresis
• breast (late) A52.79 — Other symptomatic late syphilis
• bronchus (late) A52.72 — Syphilis of lung and bronchus
• bubo (primary) A51.0 — Primary genital syphilis
• bulbar palsy A52.19 — Other symptomatic neurosyphilis
• bursa (late) A52.78 — Syphilis of other musculoskeletal tissue
• cardiac decompensation A52.06 — Other syphilitic heart involvement
• cardiovascular A52.00 — Cardiovascular syphilis, unspecified
• central nervous system (late) (recurrent) (relapse) (tertiary) A52.3 — Neurosyphilis, unspecified
• with
• ataxia A52.11 — Tabes dorsalis
• general paralysis A52.17 — General paresis
• juvenile A50.45 — Juvenile general paresis
• paresis (general) A52.17 — General paresis
• juvenile A50.45 — Juvenile general paresis
• tabes (dorsalis) A52.11 — Tabes dorsalis
• juvenile A50.45 — Juvenile general paresis
• taboparesis A52.17 — General paresis
• juvenile A50.45 — Juvenile general paresis
• aneurysm A52.05 — Other cerebrovascular syphilis
• congenital A50.40 — Late congenital neurosyphilis, unspecified
• juvenile A50.40 — Late congenital neurosyphilis, unspecified
• remission in (sustained) A52.3 — Neurosyphilis, unspecified
• serology doubtful, negative, or positive A52.3 — Neurosyphilis, unspecified
• specified nature or site NEC A52.19 — Other symptomatic neurosyphilis
• vascular A52.05 — Other cerebrovascular syphilis
• cerebral A52.17 — General paresis
• meningovascular A52.13 — Late syphilitic meningitis
• nerves (multiple palsies) A52.15 — Late syphilitic neuropathy
• sclerosis A52.17 — General paresis
• thrombosis A52.05 — Other cerebrovascular syphilis
• cerebrospinal (tabetic type) A52.12 — Other cerebrospinal syphilis
• cerebrovascular A52.05 — Other cerebrovascular syphilis
• cervix (late) A52.76 — Other genitourinary symptomatic late syphilis
• chancre (multiple) A51.0 — Primary genital syphilis
• extragenital A51.2 — Primary syphilis of other sites
• Rollet's A51.0 — Primary genital syphilis
• Charcot's joint A52.16 — Charcot's arthropathy (tabetic)
• chorioretinitis A51.43 — Secondary syphilitic oculopathy
• congenital A50.01 — Early congenital syphilitic oculopathy
• late A52.71 — Late syphilitic oculopathy
• prenatal A50.01 — Early congenital syphilitic oculopathy
• choroiditis
• choroidoretinitis
• ciliary body (secondary) A51.43 — Secondary syphilitic oculopathy
• late A52.71 — Late syphilitic oculopathy
• colon (late) A52.74 — Syphilis of liver and other viscera
• combined spinal sclerosis A52.11 — Tabes dorsalis
• condyloma (latum) A51.31 — Condyloma latum
• congenital A50.9 — Congenital syphilis, unspecified
• with
• paresis (general) A50.45 — Juvenile general paresis
• tabes (dorsalis) A50.45 — Juvenile general paresis
• taboparesis A50.45 — Juvenile general paresis
• chorioretinitis, choroiditis A50.01 — Early congenital syphilitic oculopathy
• early, or less than 2 years after birth NEC A50.2 — Early congenital syphilis, unspecified
• with manifestations
• latent (without manifestations) A50.1 — Early congenital syphilis, latent
• negative spinal fluid test A50.1 — Early congenital syphilis, latent
• serology positive A50.1 — Early congenital syphilis, latent
• symptomatic A50.09 — Other early congenital syphilis, symptomatic
• cutaneous A50.06 — Early cutaneous congenital syphilis
• mucocutaneous A50.07 — Early mucocutaneous congenital syphilis
• oculopathy A50.01 — Early congenital syphilitic oculopathy
• osteochondropathy A50.02 — Early congenital syphilitic osteochondropathy
• pharyngitis A50.03 — Early congenital syphilitic pharyngitis
• pneumonia A50.04 — Early congenital syphilitic pneumonia
• rhinitis A50.05 — Early congenital syphilitic rhinitis
• visceral A50.08 — Early visceral congenital syphilis
• interstitial keratitis A50.31 — Late congenital syphilitic interstitial keratitis
• juvenile neurosyphilis A50.45 — Juvenile general paresis
• late, or 2 years or more after birth NEC A50.7 — Late congenital syphilis, unspecified
• chorioretinitis, choroiditis A50.32 — Late congenital syphilitic chorioretinitis
• interstitial keratitis A50.31 — Late congenital syphilitic interstitial keratitis
• juvenile neurosyphilis A50.45 — Juvenile general paresis
• latent (without manifestations) A50.6 — Late congenital syphilis, latent
• negative spinal fluid test A50.6 — Late congenital syphilis, latent
• serology positive A50.6 — Late congenital syphilis, latent
• symptomatic or with manifestations NEC A50.59 — Other late congenital syphilis, symptomatic
• arthropathy A50.55 — Late congenital syphilitic arthropathy
• cardiovascular A50.54 — Late congenital cardiovascular syphilis
• Clutton's joints A50.51 — Clutton's joints
• Hutchinson's teeth A50.52 — Hutchinson's teeth
• Hutchinson's triad A50.53 — Hutchinson's triad
• osteochondropathy A50.56 — Late congenital syphilitic osteochondropathy
• saddle nose A50.57 — Syphilitic saddle nose
• conjugal A53.9 — Syphilis, unspecified
• tabes A52.11 — Tabes dorsalis
• conjunctiva (late) A52.71 — Late syphilitic oculopathy
• contact Z20.2 — Contact with and (suspected) exposure to infections with a predominantly sexual mode of transmission
• cord bladder A52.19 — Other symptomatic neurosyphilis
• cornea, late A52.71 — Late syphilitic oculopathy
• coronary (artery) (sclerosis) A52.06 — Other syphilitic heart involvement
• coryza, congenital A50.05 — Early congenital syphilitic rhinitis
• cranial nerve A52.15 — Late syphilitic neuropathy
• multiple palsies A52.15 — Late syphilitic neuropathy
• cutaneous
• dacryocystitis (late) A52.71 — Late syphilitic oculopathy
• degeneration, spinal cord A52.12 — Other cerebrospinal syphilis
• dementia paralytica A52.17 — General paresis
• juvenilis A50.45 — Juvenile general paresis
• destruction of bone A52.77 — Syphilis of bone and joint
• dilatation, aorta A52.01 — Syphilitic aneurysm of aorta
• due to blood transfusion A53.9 — Syphilis, unspecified
• dura mater A52.13 — Late syphilitic meningitis
• ear A52.79 — Other symptomatic late syphilis
• inner A52.79 — Other symptomatic late syphilis
• nerve (eighth) A52.15 — Late syphilitic neuropathy
• neurorecurrence A52.15 — Late syphilitic neuropathy
• early A51.9 — Early syphilis, unspecified
• cardiovascular A52.00 — Cardiovascular syphilis, unspecified
• central nervous system A52.3 — Neurosyphilis, unspecified
• latent (without manifestations) (less than 2 years after infection) A51.5 — Early syphilis, latent
• negative spinal fluid test A51.5 — Early syphilis, latent
• serological relapse after treatment A51.5 — Early syphilis, latent
• serology positive A51.5 — Early syphilis, latent
• relapse (treated, untreated) A51.9 — Early syphilis, unspecified
• skin A51.39 — Other secondary syphilis of skin
• symptomatic A51.9 — Early syphilis, unspecified
• extragenital chancre A51.2 — Primary syphilis of other sites
• primary, except extragenital chancre A51.0 — Primary genital syphilis
• secondary A51.39 — Other secondary syphilis of skin
• relapse (treated, untreated) A51.49 — Other secondary syphilitic conditions
• ulcer A51.39 — Other secondary syphilis of skin
• eighth nerve (neuritis) A52.15 — Late syphilitic neuropathy
• endemic A65 — Nonvenereal syphilis
• endocarditis A52.03 — Syphilitic endocarditis
• aortic A52.03 — Syphilitic endocarditis
• pulmonary A52.03 — Syphilitic endocarditis
• epididymis (late) A52.76 — Other genitourinary symptomatic late syphilis
• epiglottis (late) A52.73 — Symptomatic late syphilis of other respiratory organs
• epiphysitis (congenital) (early) A50.02 — Early congenital syphilitic osteochondropathy
• episcleritis (late) A52.71 — Late syphilitic oculopathy
• esophagus A52.79 — Other symptomatic late syphilis
• eustachian tube A52.73 — Symptomatic late syphilis of other respiratory organs
• exposure to Z20.2 — Contact with and (suspected) exposure to infections with a predominantly sexual mode of transmission
• eye A52.71 — Late syphilitic oculopathy
• eyelid (late) (with gumma) A52.71 — Late syphilitic oculopathy
• fallopian tube (late) A52.76 — Other genitourinary symptomatic late syphilis
• fracture A52.77 — Syphilis of bone and joint
• gallbladder (late) A52.74 — Syphilis of liver and other viscera
• gastric (polyposis) (late) A52.74 — Syphilis of liver and other viscera
• general A53.9 — Syphilis, unspecified
• paralysis A52.17 — General paresis
• juvenile A50.45 — Juvenile general paresis
• genital (primary) A51.0 — Primary genital syphilis
• glaucoma A52.71 — Late syphilitic oculopathy
• gumma NEC A52.79 — Other symptomatic late syphilis
• cardiovascular system A52.00 — Cardiovascular syphilis, unspecified
• central nervous system A52.3 — Neurosyphilis, unspecified
• congenital A50.59 — Other late congenital syphilis, symptomatic
• heart (block) (decompensation) (disease) (failure) A52.06 — Other syphilitic heart involvement
• valve NEC A52.03 — Syphilitic endocarditis
• hemianesthesia A52.19 — Other symptomatic neurosyphilis
• hemianopsia A52.71 — Late syphilitic oculopathy
• hemiparesis A52.17 — General paresis
• hemiplegia A52.17 — General paresis
• hepatic artery A52.09 — Other cardiovascular syphilis
• hepatis A52.74 — Syphilis of liver and other viscera
• hepatomegaly, congenital A50.08 — Early visceral congenital syphilis
• hereditaria tarda
• hereditary
• Hutchinson's teeth A50.52 — Hutchinson's teeth
• hyalitis A52.71 — Late syphilitic oculopathy
• inactive
• infantum
• inherited
• internal ear A52.79 — Other symptomatic late syphilis
• intestine (late) A52.74 — Syphilis of liver and other viscera
• iris, iritis (secondary) A51.43 — Secondary syphilitic oculopathy
• late A52.71 — Late syphilitic oculopathy
• joint (late) A52.77 — Syphilis of bone and joint
• keratitis (congenital) (interstitial) (late) A50.31 — Late congenital syphilitic interstitial keratitis
• kidney (late) A52.75 — Syphilis of kidney and ureter
• lacrimal passages (late) A52.71 — Late syphilitic oculopathy
• larynx (late) A52.73 — Symptomatic late syphilis of other respiratory organs
• late A52.9 — Late syphilis, unspecified
• cardiovascular A52.00 — Cardiovascular syphilis, unspecified
• central nervous system A52.3 — Neurosyphilis, unspecified
• kidney A52.75 — Syphilis of kidney and ureter
• latent or 2 years or more after infection (without manifestations) A52.8 — Late syphilis, latent
• negative spinal fluid test A52.8 — Late syphilis, latent
• serology positive A52.8 — Late syphilis, latent
• paresis A52.17 — General paresis
• specified site NEC A52.79 — Other symptomatic late syphilis
• symptomatic or with manifestations A52.79 — Other symptomatic late syphilis
• tabes A52.11 — Tabes dorsalis
• latent A53.0 — Latent syphilis, unspecified as early or late
• with signs or symptoms - code by site and stage under Syphilis
• central nervous system A52.2 — Asymptomatic neurosyphilis
• date of infection unspecified A53.0 — Latent syphilis, unspecified as early or late
• early, or less than 2 years after infection A51.5 — Early syphilis, latent
• follow-up of latent syphilis A53.0 — Latent syphilis, unspecified as early or late
• date of infection unspecified A53.0 — Latent syphilis, unspecified as early or late
• late, or 2 years or more after infection A52.8 — Late syphilis, latent
• late, or 2 years or more after infection A52.8 — Late syphilis, latent
• positive serology (only finding) A53.0 — Latent syphilis, unspecified as early or late
• date of infection unspecified A53.0 — Latent syphilis, unspecified as early or late
• early, or less than 2 years after infection A51.5 — Early syphilis, latent
• late, or 2 years or more after infection A52.8 — Late syphilis, latent
• lens (late) A52.71 — Late syphilitic oculopathy
• leukoderma A51.39 — Other secondary syphilis of skin
• late A52.79 — Other symptomatic late syphilis
• lienitis A52.79 — Other symptomatic late syphilis
• lip A51.39 — Other secondary syphilis of skin
• chancre (primary) A51.2 — Primary syphilis of other sites
• late A52.79 — Other symptomatic late syphilis
• Lissauer's paralysis A52.17 — General paresis
• liver A52.74 — Syphilis of liver and other viscera
• locomotor ataxia A52.11 — Tabes dorsalis
• lung A52.72 — Syphilis of lung and bronchus
• lymph gland (early) (secondary) A51.49 — Other secondary syphilitic conditions
• late A52.79 — Other symptomatic late syphilis
• lymphadenitis (secondary) A51.49 — Other secondary syphilitic conditions
• macular atrophy of skin A51.39 — Other secondary syphilis of skin
• striated A52.79 — Other symptomatic late syphilis
• mediastinum (late) A52.73 — Symptomatic late syphilis of other respiratory organs
• meninges (adhesive) (brain) (spinal cord) A52.13 — Late syphilitic meningitis
• meningitis A52.13 — Late syphilitic meningitis
• acute (secondary) A51.41 — Secondary syphilitic meningitis
• congenital A50.41 — Late congenital syphilitic meningitis
• meningoencephalitis A52.14 — Late syphilitic encephalitis
• meningovascular A52.13 — Late syphilitic meningitis
• congenital A50.41 — Late congenital syphilitic meningitis
• mesarteritis A52.09 — Other cardiovascular syphilis
• brain A52.04 — Syphilitic cerebral arteritis
• middle ear A52.77 — Syphilis of bone and joint
• mitral stenosis A52.03 — Syphilitic endocarditis
• monoplegia A52.17 — General paresis
• mouth (secondary) A51.39 — Other secondary syphilis of skin
• late A52.79 — Other symptomatic late syphilis
• mucocutaneous (secondary) A51.39 — Other secondary syphilis of skin
• late A52.79 — Other symptomatic late syphilis
• mucous
• membrane (secondary) A51.39 — Other secondary syphilis of skin
• late A52.79 — Other symptomatic late syphilis
• patches A51.39 — Other secondary syphilis of skin
• congenital A50.07 — Early mucocutaneous congenital syphilis
• mulberry molars A50.52 — Hutchinson's teeth
• muscle A52.78 — Syphilis of other musculoskeletal tissue
• myocardium A52.06 — Other syphilitic heart involvement
• nasal sinus (late) A52.73 — Symptomatic late syphilis of other respiratory organs
• neonatorum
• nephrotic syndrome (secondary) A51.44 — Secondary syphilitic nephritis
• nerve palsy (any cranial nerve) A52.15 — Late syphilitic neuropathy
• multiple A52.15 — Late syphilitic neuropathy
• nervous system, central A52.3 — Neurosyphilis, unspecified
• neuritis A52.15 — Late syphilitic neuropathy
• acoustic A52.15 — Late syphilitic neuropathy
• neurorecidive of retina A52.19 — Other symptomatic neurosyphilis
• neuroretinitis A52.19 — Other symptomatic neurosyphilis
• newborn
• nodular superficial (late) A52.79 — Other symptomatic late syphilis
• nonvenereal A65 — Nonvenereal syphilis
• nose (late) A52.73 — Symptomatic late syphilis of other respiratory organs
• saddle back deformity A50.57 — Syphilitic saddle nose
• occlusive arterial disease A52.09 — Other cardiovascular syphilis
• oculopathy A52.71 — Late syphilitic oculopathy
• ophthalmic (late) A52.71 — Late syphilitic oculopathy
• optic nerve (atrophy) (neuritis) (papilla) A52.15 — Late syphilitic neuropathy
• orbit (late) A52.71 — Late syphilitic oculopathy
• organic A53.9 — Syphilis, unspecified
• osseous (late) A52.77 — Syphilis of bone and joint
• osteochondritis (congenital) (early) A50.02 — Early congenital syphilitic osteochondropathy
• osteoporosis A52.77 — Syphilis of bone and joint
• ovary (late) A52.76 — Other genitourinary symptomatic late syphilis
• oviduct (late) A52.76 — Other genitourinary symptomatic late syphilis
• palate (late) A52.79 — Other symptomatic late syphilis
• pancreas (late) A52.74 — Syphilis of liver and other viscera
• paralysis A52.17 — General paresis
• general A52.17 — General paresis
• juvenile A50.45 — Juvenile general paresis
• paresis (general) A52.17 — General paresis
• juvenile A50.45 — Juvenile general paresis

See all 441 entries in the alphabetic index

• syphilis NOS under two years of age (A50.2)

What is the ICD-10 code for syphilis?

A53.9 — Syphilis, unspecified. More specific codes apply when the documentation supports them: A52.79, A52.15, A51.49, A52.79 and others below.

What is the ICD-10 code for abdomen syphilis?

A52.79 — Other symptomatic late syphilis.

What is the ICD-10 code for acoustic nerve syphilis?

A52.15 — Late syphilitic neuropathy.

What is the ICD-10 code for adenopathy syphilis?

A51.49 — Other secondary syphilitic conditions.

What is the ICD-10 code for adrenal syphilis?

A52.79 — Other symptomatic late syphilis.

What is the ICD-10 code for alopecia syphilis?

A51.32 — Syphilitic alopecia.

What is the ICD-10 code for anemia syphilis?

A52.79 — Other symptomatic late syphilis.

Is A53.9 billable?

Yes. A53.9 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can A53.9 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict A53.9 as a principal diagnosis.

Is A53.9 a CC or MCC?

No. A53.9 is neither a CC nor an MCC under MS-DRG v44.0.