A52 — Late syphilis
Is A52 billable?
No — A52 is a non-billable header code. A52 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 30 billable codes beneath A52.
Billable codes under this header
- A52.2Asymptomatic neurosyphilis
- A52.3Neurosyphilis, unspecified
- A52.8Late syphilis, latent
- A52.9Late syphilis, unspecified
- A52.00Cardiovascular syphilis, unspecified
- A52.01Syphilitic aneurysm of aorta
- A52.02Syphilitic aortitis
- A52.03Syphilitic endocarditis
- A52.04Syphilitic cerebral arteritis
- A52.05Other cerebrovascular syphilis
- A52.06Other syphilitic heart involvement
- A52.09Other cardiovascular syphilis
- A52.10Symptomatic neurosyphilis, unspecified
- A52.11Tabes dorsalis
- A52.12Other cerebrospinal syphilis
- A52.13Late syphilitic meningitis
- A52.14Late syphilitic encephalitis
- A52.15Late syphilitic neuropathy
- A52.16Charcot's arthropathy (tabetic)
- A52.17General paresis
- A52.19Other symptomatic neurosyphilis
- A52.71Late syphilitic oculopathy
- A52.72Syphilis of lung and bronchus
- A52.73Symptomatic late syphilis of other respiratory organs
- A52.74Syphilis of liver and other viscera
- A52.75Syphilis of kidney and ureter
- A52.76Other genitourinary symptomatic late syphilis
- A52.77Syphilis of bone and joint
- A52.78Syphilis of other musculoskeletal tissue
- A52.79Other symptomatic late syphilis
A52 at a glance
| Code | A52 |
|---|---|
| Description | Late syphilis |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together — inherited from A50-A64
The conditions below can never be reported together with A52 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 1
Report an additional code alongside A52 to fully describe the condition. A52 is sequenced first.
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes2 — not included here — inherited from Chapter 1
The conditions below are not part of A52, but a patient may have both at the same time. When documentation supports it, A52 and the excluded code may both be reported.
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Excludes2 — not included here — inherited from A50-A64
The conditions below are not part of A52, but a patient may have both at the same time. When documentation supports it, A52 and the excluded code may both be reported.
- human immunodeficiency virus [HIV] disease (B20)
What codes fall under A52? (7)
How long has A52 existed?
A52 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with A52?
ICD-10-CM declares these codes mutually exclusive with A52 — exactly one of each pair can be correct for a given encounter.