ICDcodes.org
FY2027

C44.791Other specified malignant neoplasm of skin of unspecified lower limb, including hip

BillableUnspecified

Is C44.791 billable?

Yes, but C44.791 is an unspecified code. C44.791 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, C44.791 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting C44.791 — the more specific alternatives are listed below.

C44.791 at a glance

CodeC44.791
DescriptionOther specified malignant neoplasm of skin of unspecified lower limb, including hip
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does C44.791 group to?

C44.791 sits in MDC 09 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 606Minor Skin Disorders with MCCmedical
  • 607Minor Skin Disorders without MCCmedical

Excludes1 — never code together — inherited from C44

The conditions below can never be reported together with C44.791 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 skin (C46.0)
  • malignant melanoma of skin (C43.-)
  • malignant neoplasm of skin of genital organs (C51-C52, C60.-, C63.2)
  • Merkel cell carcinoma (C4A.-)

How long has C44.791 existed?

C44.791 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.

What other codes are in the C44.79 family? (2)