A52.74 vs K67
A52.74 (Syphilis of liver and other viscera) compared with K67 (Disorders of peritoneum in infectious diseases classified elsewhere), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. K67 carries an Excludes1 note covering A52.74: “peritonitis in syphilis (late) (A52.74)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| A52.74Syphilis of liver and other viscera | K67Disorders of peritoneum in infectious diseases classified elsewhere | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) | K00-K95 — Diseases of the Digestive System (K00-K95) |
| Definition | Syphilis of liver and other viscera is a billable ICD-10-CM diagnosis code (A52.74). | Disorders of peritoneum in infectious diseases classified elsewhere is a billable ICD-10-CM diagnosis code (K67). |
| Includes | Late syphilitic peritonitis | — |
| Code first | — | underlying disease, such as: congenital syphilis (A50.0) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources