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ICD-10/C44.300

C44.300 ICD-10-CM Code: Unspecified malignant neoplasm of skin of unspecified part of face

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.

  • MS-DRG 606 — MINOR SKIN DISORDERS WITH MCC (MDC 09)
  • MS-DRG 607 — MINOR SKIN DISORDERS WITHOUT MCC (MDC 09)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Unspecified malignant neoplasm of skin of unspecified part of face is a billable ICD-10-CM diagnosis code (C44.300).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for C44.300 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • malignant neoplasm of sebaceous glands
  • malignant neoplasm of sweat glands

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • 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.-)

Nearest Codes in This Family

Official ICD-10-CM classifications closest to C44.300 in its code family, with their registry titles.

  • C44.291 — Other specified malignant neoplasm of skin of unspecified ear and external auricular canal
  • C44.292 — Other specified malignant neoplasm of skin of right ear and external auricular canal
  • C44.299 — Other specified malignant neoplasm of skin of left ear and external auricular canal
  • C44.3 — Other and unspecified malignant neoplasm of skin of other and unspecified parts of face
  • C44.30 — Unspecified malignant neoplasm of skin of other and unspecified parts of face
  • C44.301 — Unspecified malignant neoplasm of skin of nose
  • C44.309 — Unspecified malignant neoplasm of skin of other parts of face
  • C44.31 — Basal cell carcinoma of skin of other and unspecified parts of face
  • C44.310 — Basal cell carcinoma of skin of unspecified parts of face
  • C44.311 — Basal cell carcinoma of skin of nose

View all codes in the C44 family

Neoplasm Table Sites (1)

Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.

  • Neoplasm, neoplastic, skin NOS, face NOS — Malignant, Primary