ICD-9-CM diagnosis code (retired)
765.01 — Extreme immaturity, less than 500 grams
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 765.01
765.01 is an ICD-9-CM diagnosis code for extreme immaturity, less than 500 grams. 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, P07.01 (Extremely low birth weight newborn, less than 500 grams). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- P07.01Extremely low birth weight newborn, less than 500 gramsapproximate
Common questions about 765.01
What is the ICD-10 code for ICD-9 765.01?
- The GEMs map 765.01 to ICD-10-CM P07.01.
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.