ICDcodes.org
FY2027

C44.1991Other specified malignant neoplasm of skin of left upper eyelid, including canthus

BillableUnspecified

Is C44.1991 billable?

Yes, but C44.1991 is an unspecified code. C44.1991 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, C44.1991 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 C44.1991 — the more specific alternatives are listed below.

C44.1991 at a glance

CodeC44.1991
DescriptionOther specified malignant neoplasm of skin of left upper eyelid, including canthus
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does C44.1991 group to?

C44.1991 sits in MDC 02 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.

  • 124Other Disorders of the Eye with MCC or Thrombolytic Agentmedical
  • 125Other Disorders of the Eye without MCCmedical

Excludes1 — never code together — inherited from C44

The conditions below can never be reported together with C44.1991 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.-)

Excludes1 — never code together — inherited from C44.1

The conditions below can never be reported together with C44.1991 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • connective tissue of eyelid (C49.0)

How long has C44.1991 existed?

C44.1991 first appears in FY2019.

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 C44.199 family? (1)