ICD-9-CM diagnosis code (retired)
526.63 — Endodontic underfill
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 526.63
526.63 is an ICD-9-CM diagnosis code for endodontic underfill. 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, M27.53 (Endodontic underfill). The match is exact.
ICD-10-CM equivalents
- M27.53Endodontic underfillexact match
Common questions about 526.63
What is the ICD-10 code for ICD-9 526.63?
- The GEMs map 526.63 to ICD-10-CM M27.53.
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.