C48.1

ICD-10Billable

Malignant neoplasm of specified parts of peritoneum

Official ICD-10-CM descriptor (FY2026)

Malignant neoplasm of specified parts of peritoneum

C48.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Malignant neoplasm of cul-de-sac
  • Malignant neoplasm of mesentery
  • Malignant neoplasm of mesocolon
  • Malignant neoplasm of omentum
  • Malignant neoplasm of parietal peritoneum
  • Malignant neoplasm of pelvic peritoneum

Related codes in C48

Where this code sits

Parent code
C48

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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