ICD-9-CM diagnosis code (retired)
245.1 — Subacute thyroiditis
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-CM equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 245.1
245.1 is an ICD-9-CM diagnosis code for subacute thyroiditis. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to one ICD-10-CM code, E06.1 (Subacute thyroiditis). The match is exact.
ICD-10-CM equivalents
- E06.1Subacute thyroiditisexact match
Common questions about 245.1
What is the ICD-10 code for ICD-9 245.1?
- The GEMs map 245.1 to ICD-10-CM E06.1.
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.