ICD-9-CM procedure code (retired)
94.27 — Other electroshock therapy
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 94.27
94.27 is an ICD-9-CM procedure code for other electroshock therapy. 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 5 ICD-10-PCS codes, such as GZB0ZZZ (Electroconvulsive Therapy, Unilateral-Single Seizure), GZB2ZZZ (Electroconvulsive Therapy, Bilateral-Single Seizure) and GZB4ZZZ (Other Electroconvulsive Therapy). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- GZB0ZZZElectroconvulsive Therapy, Unilateral-Single Seizureapproximate
- GZB1ZZZElectroconvulsive Therapy, Unilateral-Multiple Seizureapproximate
- GZB2ZZZElectroconvulsive Therapy, Bilateral-Single Seizureapproximate
- GZB3ZZZElectroconvulsive Therapy, Bilateral-Multiple Seizureapproximate
- GZB4ZZZOther Electroconvulsive Therapyapproximate
Common questions about 94.27
What is the ICD-10 code for ICD-9 94.27?
- The GEMs map 94.27 to ICD-10-PCS GZB0ZZZ, GZB1ZZZ, GZB2ZZZ, GZB3ZZZ and GZB4ZZZ.
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.