ICD-9-CM procedure code (retired)
12.99 — Other operations on anterior chamber
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 12.99
12.99 is an ICD-9-CM procedure code for other operations on 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 2 ICD-10-PCS codes, such as 08Q23ZZ (Repair Right Anterior Chamber, Percutaneous Approach) and 08Q33ZZ (Repair Left Anterior Chamber, Percutaneous Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
Common questions about 12.99
What is the ICD-10 code for ICD-9 12.99?
- The GEMs map 12.99 to ICD-10-PCS 08Q23ZZ and 08Q33ZZ.
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.