ICD-10-CM 2027

ICD-10 code for proliferation

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

From the official ICD-10-CM alphabetic index entry “Proliferation (s)”. Page updated September 29, 2026.

About coding proliferation

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

prostate, atypical small acinar N42.32 — Atypical small acinar proliferation of prostate
primary cutaneous CD30-positive large T-cell C86.6 — Primary cutaneous CD30-positive T-cell proliferations