ICD-9-CM Diagnosis Code 765.09
Diagnosis Code: 765.09 (Raw: 76509)
Description: Extreme immaturity, 2,500 grams and over
Classification: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)
Fiscal Year: 2026 Reference
CMS Section 111 Status: Valid for reporting.
Overview & Historical Usage
ICD-9-CM code 765.09 is designated for Extreme immaturity, 2,500 grams and over. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical clinical data analysis.
