Skip to content
Dx

ICD-10-CM 2027

ICD-10 code for secondary

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

From the official ICD-10-CM alphabetic index entry “Secondary”. Page updated September 29, 2026.

About coding secondary

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

More specific secondary codes (official index)

  • dentin (in pulp) K04.3 — Abnormal hard tissue formation in pulp
  • neoplasm, secondaries

Common questions about secondary ICD-10 codes

What is the ICD-10 code for dentin secondary?

K04.3 — Abnormal hard tissue formation in pulp.