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ICD-10-CM 2027

ICD-10 code for dentin

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

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

About coding dentin

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

More specific dentin codes (official index)

  • irregular (in pulp) K04.3 — Abnormal hard tissue formation in pulp
  • opalescent K00.5 — Hereditary disturbances in tooth structure, not elsewhere classified
  • secondary (in pulp) K04.3 — Abnormal hard tissue formation in pulp
  • sensitive K03.89 — Other specified diseases of hard tissues of teeth

Common questions about dentin ICD-10 codes

What is the ICD-10 code for irregular dentin?

K04.3 — Abnormal hard tissue formation in pulp.

What is the ICD-10 code for opalescent dentin?

K00.5 — Hereditary disturbances in tooth structure, not elsewhere classified.

What is the ICD-10 code for secondary dentin?

K04.3 — Abnormal hard tissue formation in pulp.

What is the ICD-10 code for sensitive dentin?

K03.89 — Other specified diseases of hard tissues of teeth.