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ICD-9-CM procedure code (retired)

94.64 — Drug rehabilitation

ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-PCS equivalents from the CMS General Equivalence Mappings.

About ICD-9-CM 94.64

94.64 is an ICD-9-CM procedure code for drug rehabilitation. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-PCS took over.

The CMS General Equivalence Mappings translate it to 22 ICD-10-PCS codes, such as HZ30ZZZ (Individual Counseling for Substance Abuse Treatment, Cognitive), HZ31ZZZ (Individual Counseling for Substance Abuse Treatment, Behavioral) and HZ32ZZZ (Individual Counseling for Substance Abuse Treatment, Cognitive-Behavioral). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 94.64

What is the ICD-10 code for ICD-9 94.64?

The GEMs map 94.64 to ICD-10-PCS HZ30ZZZ, HZ31ZZZ, HZ32ZZZ, HZ33ZZZ, HZ34ZZZ, HZ35ZZZ and 16 more.

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.