ICD-10-CM 2027
ICD-10 code for malignancy
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Malignancy”. Page updated September 29, 2026.
About coding malignancy
The official ICD-10-CM index doesn't give a single default code for malignancy; the code depends on the details below.
More specific malignancy codes (official index)
- unspecified site (primary) C80.1 — Malignant (primary) neoplasm, unspecified