ICD-9-CM procedure code (retired)
11.1 — Incision of cornea
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 11.1
11.1 is an ICD-9-CM procedure code for incision of cornea. 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 6 ICD-10-PCS codes, such as 0898X0Z (Drainage of Right Cornea with Drainage Device, External Approach), 0898XZZ (Drainage of Right Cornea, External Approach) and 0899X0Z (Drainage of Left Cornea with Drainage Device, External Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0898X0ZDrainage of Right Cornea with Drainage Device, External Approachapproximate
- 0898XZZDrainage of Right Cornea, External Approachapproximate
- 0899X0ZDrainage of Left Cornea with Drainage Device, External Approachapproximate
- 0899XZZDrainage of Left Cornea, External Approachapproximate
- 08C8XZZExtirpation of Matter from Right Cornea, External Approachapproximate
- 08C9XZZExtirpation of Matter from Left Cornea, External Approachapproximate
Common questions about 11.1
What is the ICD-10 code for ICD-9 11.1?
- The GEMs map 11.1 to ICD-10-PCS 0898X0Z, 0898XZZ, 0899X0Z, 0899XZZ, 08C8XZZ and 08C9XZZ.
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.