ICD-10-CM 2027
ICD-10 code for Hardening
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Hardening”. Page updated September 29, 2026.
About coding Hardening
The official ICD-10-CM index doesn't give a single default code for hardening; the code depends on the details below.
More specific Hardening codes (official index)
- artery
- brain G93.89 — Other specified disorders of brain
Common questions about Hardening ICD-10 codes
What is the ICD-10 code for brain hardening?
- G93.89 — Other specified disorders of brain.