ICD-10-CM 2027
ICD-10 code for mast cell
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Mast cell”. Page updated September 29, 2026.
About coding mast cell
The official ICD-10-CM index doesn't give a single default code for mast cell; the code depends on the details below.
More specific mast cell codes (official index)
- disease, systemic tissue D47.02 — Systemic mastocytosis
- leukemia C94.3 — Mast cell leukemia
- neoplasm
- malignant C96.20 — Malignant mast cell neoplasm, unspecified
- specified type NEC C96.29 — Other malignant mast cell neoplasm
- of uncertain behavior NEC D47.09 — Other mast cell neoplasms of uncertain behavior
- sarcoma C96.22 — Mast cell sarcoma
- tumor D47.09 — Other mast cell neoplasms of uncertain behavior