ICD-9-CM procedure code (retired)
12.91 — Therapeutic evacuation of anterior chamber
About ICD-9-CM 12.91
12.91 is an ICD-9-CM procedure code for therapeutic evacuation of anterior chamber. 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 4 ICD-10-PCS codes, such as 089230Z (Drainage of Right Anterior Chamber with Drainage Device, Percutaneous Approach), 08923ZZ (Drainage of Right Anterior Chamber, Percutaneous Approach) and 089330Z (Drainage of Left Anterior Chamber with Drainage Device, Percutaneous Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 089230ZDrainage of Right Anterior Chamber with Drainage Device, Percutaneous Approachapproximate
- 08923ZZDrainage of Right Anterior Chamber, Percutaneous Approachapproximate
- 089330ZDrainage of Left Anterior Chamber with Drainage Device, Percutaneous Approachapproximate
- 08933ZZDrainage of Left Anterior Chamber, Percutaneous Approachapproximate
Common questions about 12.91
What is the ICD-10 code for ICD-9 12.91?
- The GEMs map 12.91 to ICD-10-PCS 089230Z, 08923ZZ, 089330Z and 08933ZZ.
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.