ICD-10-CM 2027
ICD-10 code for neoplasm
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Neoplasm, neoplastic”. Page updated September 29, 2026.
About coding neoplasm
The official ICD-10-CM index doesn't give a single default code for neoplasm; the code depends on the details below.
More specific neoplasm codes (official index)
- lipomatous, benign
- malignant mast cell C96.20 — Malignant mast cell neoplasm, unspecified
- specified type NEC C96.29 — Other malignant mast cell neoplasm
- mast cell, of uncertain behavior NEC D47.09 — Other mast cell neoplasms of uncertain behavior
- myelodysplastic/myeloproliferative, unclassifiable C94.6 — Myelodysplastic disease, not elsewhere classified
Common questions about neoplasm ICD-10 codes
What is the ICD-10 code for malignant mast cell neoplasm?
- C96.20 — Malignant mast cell neoplasm, unspecified.