C48.2
Billable codeMalignant neoplasm of peritoneum, unspecified
The ICD-10 code for malignant neoplasm of peritoneum, unspecified is C48.2.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C48.0Malignant neoplasm of retroperitoneum
- C48.1Malignant neoplasm of specified parts of peritoneum
- C48.8Malignant neoplasm of overlapping sites of retroperitoneum and peritoneum
- C48.2Malignant neoplasm of peritoneum, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 1589
Associated MS-DRGs
C48.2 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.