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ICD-10-CM 2027

ICD-10 code for medullary carcinoma

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Carcinoma (malignant) › medullary”. Page updated September 29, 2026.

About coding medullary carcinoma

The official ICD-10-CM index doesn't give a single default code for medullary carcinoma; the code depends on the details below.

More specific medullary carcinoma codes (official index)

  • with
  • amyloid stroma
  • specified site
  • unspecified site C73 — Malignant neoplasm of thyroid gland
  • lymphoid stroma
  • specified site
  • unspecified site (female) C50.91 — Malignant neoplasm of breast of unspecified site, female
  • male C50.92 — Malignant neoplasm of breast of unspecified site, male