A65 — Nonvenereal syphilis
Is A65 billable?
Yes — A65 is billable for FY2027. A65 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. A65 may be submitted for encounters from October 1, 2026 through September 30, 2027.
A65 at a glance
| Code | A65 |
|---|---|
| Description | Nonvenereal syphilis |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does A65 group to?
A65 sits in MDC 18 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 867Other Infectious and Parasitic Diseases Diagnoses with MCCmedical
- 868Other Infectious and Parasitic Diseases Diagnoses with CCmedical
- 869Other Infectious and Parasitic Diseases Diagnoses without CC/MCCmedical
How is A65 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to A65. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Bejel
- Dichuchwa
- Njovera
- Siti
- Skerljevo
- Syphilis, syphilitic › endemic (acquired)
- Syphilis, syphilitic › nonvenereal (acquired)
Inclusion terms
Alternative wording in documentation that is classified to A65.
- Bejel
- Endemic syphilis
- Njovera
Use additional code — inherited from Chapter 1
Report an additional code alongside A65 to fully describe the condition. A65 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 A65, but a patient may have both at the same time. When documentation supports it, A65 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 A65-A69
The conditions below are not part of A65, but a patient may have both at the same time. When documentation supports it, A65 and the excluded code may both be reported.
How long has A65 existed?
A65 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.