ICD-10-CM Alphabetic Index · FY 2027 442 Entries
Syphilis in the ICD-10-CM Index ICD-10-CM
The main term Syphilis, syphilitic (acquired) carries 442 index entries pointing to 74 ICD-10-CM codes. The default entry is A53.9, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2027 index fileEffective Oct 1, 2026 – Sep 30, 2027
442
Index Entries
74
Codes Referenced
A53.9
Default Code
S
Letter
442 of 442 shown
ICD-10-CM
Index Entries Under Syphilis 442 entries · 74 codes
Syphilis, syphilitic (acquired) A53.9
abdomen (late) A52.79
acoustic nerve A52.15
adenopathy (secondary) A51.49
adrenal (gland) (with cortical hypofunction) A52.79
age under 2 years NOS see also Syphilis, congenital, early
acquired A51.9
alopecia (secondary) A51.32
aneurysm (aorta) (ruptured) A52.01
central nervous system A52.05
anus (late) A52.74
primary A51.1
secondary A51.39
aorta (arch) (abdominal) (thoracic) A52.02
aneurysm A52.01
aortic (insufficiency) (regurgitation) (stenosis) A52.03
aneurysm A52.01
arachnoid (adhesive) (cerebral) (spinal) A52.13
asymptomatic see Syphilis, latent
ataxia (locomotor) A52.11
atrophoderma maculatum A51.39
auricular fibrillation A52.06
bladder (late) A52.76
bone A52.77
secondary A51.46
brain A52.17
breast (late) A52.79
bronchus (late) A52.72
bubo (primary) A51.0
bulbar palsy A52.19
bursa (late) A52.78
cardiac decompensation A52.06
cardiovascular A52.00
central nervous system (late) (recurrent) (relapse) (tertiary) A52.3
with
ataxia A52.11
general paralysis A52.17
juvenile A50.45
paresis (general) A52.17
juvenile A50.45
tabes (dorsalis) A52.11
juvenile A50.45
taboparesis A52.17
juvenile A50.45
aneurysm A52.05
congenital A50.40
juvenile A50.40
remission in (sustained) A52.3
serology doubtful, negative, or positive A52.3
specified nature or site NEC A52.19
vascular A52.05
cerebral A52.17
meningovascular A52.13
nerves (multiple palsies) A52.15
sclerosis A52.17
thrombosis A52.05
cerebrospinal (tabetic type) A52.12
cerebrovascular A52.05
cervix (late) A52.76
chancre (multiple) A51.0
extragenital A51.2
Rollet's A51.0
Charcot's joint A52.16
chorioretinitis A51.43
congenital A50.01
late A52.71
prenatal A50.01
choroiditis see Syphilitic chorioretinitis
choroidoretinitis see Syphilitic chorioretinitis
ciliary body (secondary) A51.43
late A52.71
colon (late) A52.74
combined spinal sclerosis A52.11
condyloma (latum) A51.31
congenital A50.9
with
paresis (general) A50.45
tabes (dorsalis) A50.45
taboparesis A50.45
early, or less than 2 years after birth NEC A50.2
with manifestations see Syphilis, congenital, early, symptomatic
latent (without manifestations) A50.1
negative spinal fluid test A50.1
serology positive A50.1
symptomatic A50.09
cutaneous A50.06
mucocutaneous A50.07
oculopathy A50.01
osteochondropathy A50.02
pharyngitis A50.03
pneumonia A50.04
rhinitis A50.05
visceral A50.08
interstitial keratitis A50.31
juvenile neurosyphilis A50.45
late, or 2 years or more after birth NEC A50.7
chorioretinitis, choroiditis A50.32
interstitial keratitis A50.31
juvenile neurosyphilis A50.45
latent (without manifestations) A50.6
negative spinal fluid test A50.6
serology positive A50.6
symptomatic or with manifestations NEC A50.59
arthropathy A50.55
cardiovascular A50.54
Clutton's joints A50.51
Hutchinson's teeth A50.52
Hutchinson's triad A50.53
osteochondropathy A50.56
saddle nose A50.57
conjugal A53.9
tabes A52.11
conjunctiva (late) A52.71
contact Z20.2
cord bladder A52.19
cornea, late A52.71
coronary (artery) (sclerosis) A52.06
coryza, congenital A50.05
cranial nerve A52.15
multiple palsies A52.15
cutaneous see Syphilis, skin
dacryocystitis (late) A52.71
degeneration, spinal cord A52.12
dementia paralytica A52.17
juvenilis A50.45
destruction of bone A52.77
dilatation, aorta A52.01
due to blood transfusion A53.9
dura mater A52.13
ear A52.79
inner A52.79
nerve (eighth) A52.15
neurorecurrence A52.15
early A51.9
cardiovascular A52.00
central nervous system A52.3
latent (without manifestations) (less than 2 years after infection) A51.5
negative spinal fluid test A51.5
serological relapse after treatment A51.5
serology positive A51.5
relapse (treated, untreated) A51.9
skin A51.39
symptomatic A51.9
extragenital chancre A51.2
primary, except extragenital chancre A51.0
secondary A51.39 see also Syphilis, secondary
relapse (treated, untreated) A51.49
ulcer A51.39
eighth nerve (neuritis) A52.15
endemic A65
endocarditis A52.03
aortic A52.03
pulmonary A52.03
epididymis (late) A52.76
epiglottis (late) A52.73
epiphysitis (congenital) (early) A50.02
episcleritis (late) A52.71
esophagus A52.79
eustachian tube A52.73
exposure to Z20.2
eye A52.71
eyelid (late) (with gumma) A52.71
fallopian tube (late) A52.76
fracture A52.77
gallbladder (late) A52.74
gastric (polyposis) (late) A52.74
general A53.9
paralysis A52.17
juvenile A50.45
genital (primary) A51.0
glaucoma A52.71
gumma NEC A52.79
cardiovascular system A52.00
central nervous system A52.3
congenital A50.59
valve NEC A52.03
hemianesthesia A52.19
hemianopsia A52.71
hemiparesis A52.17
hemiplegia A52.17
hepatic artery A52.09
hepatis A52.74
hepatomegaly, congenital A50.08
hereditaria tarda see Syphilis, congenital, late
hereditary see Syphilis, congenital
Hutchinson's teeth A50.52
hyalitis A52.71
inactive see Syphilis, latent
infantum see Syphilis, congenital
inherited see Syphilis, congenital
internal ear A52.79
intestine (late) A52.74
iris, iritis (secondary) A51.43
late A52.71
joint (late) A52.77
keratitis (congenital) (interstitial) (late) A50.31
kidney (late) A52.75
lacrimal passages (late) A52.71
larynx (late) A52.73
late A52.9
cardiovascular A52.00
central nervous system A52.3
kidney A52.75
latent or 2 years or more after infection (without manifestations) A52.8
negative spinal fluid test A52.8
serology positive A52.8
paresis A52.17
specified site NEC A52.79
symptomatic or with manifestations A52.79
tabes A52.11
latent A53.0
with signs or symptoms - code by site and stage under Syphilis
central nervous system A52.2
date of infection unspecified A53.0
early, or less than 2 years after infection A51.5
follow-up of latent syphilis A53.0
date of infection unspecified A53.0
late, or 2 years or more after infection A52.8
late, or 2 years or more after infection A52.8
positive serology (only finding) A53.0
date of infection unspecified A53.0
early, or less than 2 years after infection A51.5
late, or 2 years or more after infection A52.8
lens (late) A52.71
leukoderma A51.39
late A52.79
lienitis A52.79
lip A51.39
chancre (primary) A51.2
late A52.79
Lissauer's paralysis A52.17
liver A52.74
locomotor ataxia A52.11
lung A52.72
lymph gland (early) (secondary) A51.49
late A52.79
lymphadenitis (secondary) A51.49
macular atrophy of skin A51.39
striated A52.79
mediastinum (late) A52.73
meninges (adhesive) (brain) (spinal cord) A52.13
meningitis A52.13
acute (secondary) A51.41
congenital A50.41
meningoencephalitis A52.14
meningovascular A52.13
congenital A50.41
mesarteritis A52.09
brain A52.04
middle ear A52.77
mitral stenosis A52.03
monoplegia A52.17
mouth (secondary) A51.39
late A52.79
mucocutaneous (secondary) A51.39
late A52.79
mucous
membrane (secondary) A51.39
late A52.79
patches A51.39
congenital A50.07
mulberry molars A50.52
muscle A52.78
myocardium A52.06
nasal sinus (late) A52.73
neonatorum see Syphilis, congenital
nephrotic syndrome (secondary) A51.44
nerve palsy (any cranial nerve) A52.15
multiple A52.15
nervous system, central A52.3
neuritis A52.15
acoustic A52.15
neurorecidive of retina A52.19
neuroretinitis A52.19
newborn see Syphilis, congenital
nodular superficial (late) A52.79
nonvenereal A65
nose (late) A52.73
saddle back deformity A50.57
occlusive arterial disease A52.09
oculopathy A52.71
ophthalmic (late) A52.71
optic nerve (atrophy) (neuritis) (papilla) A52.15
orbit (late) A52.71
organic A53.9
osseous (late) A52.77
osteoporosis A52.77
ovary (late) A52.76
oviduct (late) A52.76
palate (late) A52.79
pancreas (late) A52.74
paralysis A52.17
general A52.17
juvenile A50.45
paresis (general) A52.17
juvenile A50.45
paresthesia A52.19
Parkinson's disease or syndrome A52.19
paroxysmal tachycardia A52.06
pemphigus (congenital) A50.06
penis (chancre) A51.0
late A52.76
pericardium A52.06
perichondritis, larynx (late) A52.73
periosteum (late) A52.77
early (secondary) A51.46
peripheral nerve A52.79
petrous bone (late) A52.77
pharynx (late) A52.73
secondary A51.39
pituitary (gland) A52.79
pleura (late) A52.73
pneumonia, white A50.04
pontine lesion A52.17
portal vein A52.09
primary A51.0
anal A51.1
and secondary see Syphilis, secondary
central nervous system A52.3
extragenital chancre NEC A51.2
fingers A51.2
genital A51.0
lip A51.2
specified site NEC A51.2
tonsils A51.2
prostate (late) A52.76
ptosis (eyelid) A52.71
pulmonary (late) A52.72
artery A52.09
pyelonephritis (late) A52.75
recently acquired, symptomatic A51.9
rectum (late) A52.74
respiratory tract (late) A52.73
retina, late A52.71
retrobulbar neuritis A52.15
salpingitis A52.76
sclera (late) A52.71
sclerosis
cerebral A52.17
coronary A52.06
multiple A52.11
scotoma (central) A52.71
scrotum (late) A52.76
secondary (and primary) A51.49
adenopathy A51.49
anus A51.39
bone A51.46
chorioretinitis, choroiditis A51.43
hepatitis A51.45
liver A51.45
lymphadenitis A51.49
meningitis (acute) A51.41
mouth A51.39
mucous membranes A51.39
periosteum, periostitis A51.46
pharynx A51.39
relapse (treated, untreated) A51.49
skin A51.39
specified form NEC A51.49
tonsil A51.39
ulcer A51.39
viscera NEC A51.49
vulva A51.39
seminal vesicle (late) A52.76
seronegative with signs or symptoms - code by site and stage under Syphilis
seropositive
with signs or symptoms - code by site and stage under Syphilis
follow-up of latent syphilis see Syphilis, latent
only finding see Syphilis, latent
seventh nerve (paralysis) A52.15
sinus, sinusitis (late) A52.73
skeletal system A52.77
skin (with ulceration) (early) (secondary) A51.39
late or tertiary A52.79
small intestine A52.74
spastic spinal paralysis A52.17
spermatic cord (late) A52.76
spinal (cord) A52.12
spleen A52.79
splenomegaly A52.79
spondylitis A52.77
staphyloma A52.71
stigmata (congenital) A50.59
stomach A52.74
synovium A52.78
tabes dorsalis (late) A52.11
juvenile A50.45
tabetic type A52.11
juvenile A50.45
taboparesis A52.17
juvenile A50.45
tachycardia A52.06
tendon (late) A52.78
tertiary A52.9
with symptoms NEC A52.79
cardiovascular A52.00
central nervous system A52.3
multiple NEC A52.79
specified site NEC A52.79
testis A52.76
thorax A52.73
throat A52.73
thymus (gland) (late) A52.79
thyroid (late) A52.79
tongue (late) A52.79
tonsil (lingual) (late) A52.73
primary A51.2
secondary A51.39
trachea (late) A52.73
tunica vaginalis (late) A52.76
ulcer (any site) (early) (secondary) A51.39
late A52.79
perforating A52.79
foot A52.11
urethra (late) A52.76
urogenital (late) A52.76
uterus (late) A52.76
uveal tract (secondary) A51.43
late A52.71
uveitis (secondary) A51.43
late A52.71
uvula (late) (perforated) A52.79
vagina A51.0
late A52.76
valvulitis NEC A52.03
vascular A52.00
brain (cerebral) A52.05
ventriculi A52.74
vesicae urinariae (late) A52.76
viscera (abdominal) (late) A52.74
secondary A51.49
vitreous (opacities) (late) A52.71
hemorrhage A52.71
vulva A51.0
late A52.76
secondary A51.39
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2027 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2026 through September 30, 2027.
