765.01
Extreme immaturity, less than 500 grams
The ICD-9 code for extreme immaturity, less than 500 grams is 765.01.
Legacy code — retired October 1, 2015ICD-10-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents.
View ICD-9 → ICD-10 crosswalk for 765.01 →