K66.8 is the authoritative medical code for Other specified disorders of peritoneum. This classification is used in medical billing and clinical recording to specify the clinical criteria for other specified disorders of peritoneum (ICD-10-CM K66.8), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Sequencing, inclusion, and exclusion notes published for K66.8 in the official ICD-10-CM tabular list.
Conditions not covered by this code, but which may be reported alongside it when both are present.
Per Excludes2 instructions, K66.8 and the following may both be reported when both are present: ascites (R18.-); peritoneal effusion (chronic) (R18.8).
Official ICD-10-CM classifications in the same code family as K66.8, with their registry titles.
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: