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ICD-10-CM 2027

ICD-10 code for Islet cell carcinoma

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

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

About coding Islet cell carcinoma

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

More specific Islet cell carcinoma codes (official index)

  • with exocrine, mixed
  • specified site
  • unspecified site C25.9 — Malignant neoplasm of pancreas, unspecified
  • pancreas C25.4 — Malignant neoplasm of endocrine pancreas
  • specified site NEC
  • unspecified site C25.4 — Malignant neoplasm of endocrine pancreas

Common questions about Islet cell carcinoma ICD-10 codes

What is the ICD-10 code for pancreas islet cell carcinoma?

C25.4 — Malignant neoplasm of endocrine pancreas.