ICD-9-CM procedure code (retired)
16.91 — Retrobulbar injection of therapeutic agent
About ICD-9-CM 16.91
16.91 is an ICD-9-CM procedure code for retrobulbar injection of therapeutic agent. 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 7 ICD-10-PCS codes, such as 3E0C329 (Introduction of Other Anti-infective into Eye, Percutaneous Approach), 3E0C33Z (Introduction of Anti-inflammatory into Eye, Percutaneous Approach) and 3E0C3BZ (Introduction of Anesthetic Agent into Eye, Percutaneous Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 3E0C329Introduction of Other Anti-infective into Eye, Percutaneous Approachapproximate
- 3E0C33ZIntroduction of Anti-inflammatory into Eye, Percutaneous Approachapproximate
- 3E0C3BZIntroduction of Anesthetic Agent into Eye, Percutaneous Approachapproximate
- 3E0C3GCIntroduction of Other Therapeutic Substance into Eye, Percutaneous Approachapproximate
- 3E0C3HZIntroduction of Radioactive Substance into Eye, Percutaneous Approachapproximate
- 3E0C3KZIntroduction of Other Diagnostic Substance into Eye, Percutaneous Approachapproximate
- 3E0C3TZIntroduction of Destructive Agent into Eye, Percutaneous Approachapproximate
Common questions about 16.91
What is the ICD-10 code for ICD-9 16.91?
- The GEMs map 16.91 to ICD-10-PCS 3E0C329, 3E0C33Z, 3E0C3BZ, 3E0C3GC, 3E0C3HZ, 3E0C3KZ and 1 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.