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ALL MEDICAL CODES IN CATEGORY Diseases of peritoneum and retroperitoneum

2025 ICD-10-CM code K66.8

Other specified disorders of the peritoneum.

Peritonitis, unspecified; inflammation of the peritoneum.

Psoas muscle abscess.

Disorders of the peritoneum in infectious diseases classified elsewhere. Code first the underlying disease.

This code classifies other forms of peritonitis not specified elsewhere.

Hemoperitoneum, peritoneal hematoma, or peritoneal hemorrhage.

Spontaneous bacterial peritonitis (SBP) is an acute bacterial infection of ascitic fluid without a clear source of infection.

Unspecified disorder of the peritoneum.

Choleperitonitis. Peritonitis due to bile.

Disorders of retroperitoneum

Peritoneal adhesions (postprocedural or postinfectious).