ICDcodes.org
FY2027

C48Malignant neoplasm of retroperitoneum and peritoneum

Not billable

Is C48 billable?

No — C48 is a non-billable header code. C48 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 4 billable codes beneath C48.

C48 at a glance

CodeC48
DescriptionMalignant neoplasm of retroperitoneum and peritoneum
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Excludes1 — never code together

The conditions below can never be reported together with C48 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • Kaposi's sarcoma of connective tissue (C46.1)
  • mesothelioma (C45.-)

What codes fall under C48? (4)

How long has C48 existed?

C48 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which codes are confused with C48?

ICD-10-CM declares these codes mutually exclusive with C48 — exactly one of each pair can be correct for a given encounter.