ICD-10-CM · Chapter 11 · K00-K95
K67 Disorders of peritoneum in infectious diseases classified elsewhere
Excludes 1 (cannot be coded together)
- peritonitis in chlamydia (A74.81)
- peritonitis in diphtheria (A36.89)
- peritonitis in gonococcal (A54.85)
- peritonitis in syphilis (late) (A52.74)
- peritonitis in tuberculosis (A18.31)
Code First
- underlying disease, such as:
- congenital syphilis (A50.0)
- helminthiasis (B65.0 -B83.9)
This category is a complete, billable diagnosis code.
No additional specificity is required — submit K67 directly on claims and documentation without a subcode extension.
Last reviewed: September 2026