ICD-9-CM diagnosis code (retired)
304.00 — Opioid type dependence, unspecified
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 304.00
304.00 is an ICD-9-CM diagnosis code for opioid type dependence, unspecified. 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, F11.20 (Opioid dependence, uncomplicated). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- F11.20Opioid dependence, uncomplicatedapproximate
Common questions about 304.00
What is the ICD-10 code for ICD-9 304.00?
- The GEMs map 304.00 to ICD-10-CM F11.20.
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.