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CurrentApr 1, 2026 – Sep 30, 2026

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CurrentApr 1, 2026 – Sep 30, 2026

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Chapters Disease index External causes Drugs and chemicals Neoplasms Official sources

ICD-10-CM · FY2026 · April / Chapters 11 / Diseases of peritoneum and retroperitoneum (K65-K68)

Diseases of peritoneum and retroperitoneum (K65-K68)

K65-K68 · 4 Entries

More specific codes (4)

K65PeritonitisCategory · further specificity required→K66Other disorders of peritoneumCategory · further specificity required→K67Disorders of peritoneum in infectious diseases classified elsewhereBillable / specific→K68Disorders of retroperitoneumCategory · further specificity required→

ICD-10-CM · CDC/NCHS · English

Official ICD-10-CM titles and instructions are preserved in English. Interface translations are provided by ICD Code Hub, not CDC or WHO.

CDC / NCHS · Apr 1, 2026 – Sep 30, 2026