ICD-10-PCS 2027 procedure code
08T9XZZResection of Left Cornea, External Approach
Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data
About 08T9XZZ
08T9XZZ is the ICD-10-PCS code for a resection procedure on the left cornea using an external approach. In ICD-10-PCS, resection means cutting out or off, without replacement, all of a body part.
In plain terms, this corresponds to other operations on cornea, the ICD-9-CM procedure title it maps to (11.99).
For a different body part, codes include 08T0XZZ (right eye), 08T1XZZ (left eye), 08T8XZZ (right cornea), 08TNXZZ (right upper eyelid), 08TPXZZ (left upper eyelid), 08TQXZZ (right lower eyelid) and 1 more.
It is an operating-room procedure in the MS-DRG logic for DRG 116 (Intraocular Procedures with CC/MCC), DRG 117 (Intraocular Procedures without CC/MCC), DRG 907 (Other O.R. Procedures for Injuries with MCC), DRG 908 (Other O.R. Procedures for Injuries with CC), DRG 909 (Other O.R. Procedures for Injuries without CC/MCC) and DRG 957 (Other O.R. Procedures for Multiple Significant Trauma with MCC), under the surgical categories “Intraocular Procedures”, “Other O.R. Procedures for Injuries” and “Other O.R. Procedures for Multiple Significant Trauma”.
It has been valid since ICD-10-PCS took effect on October 1, 2015.
What each character means
- 1. Section
- 0Medical and Surgical
- 2. Body System
- 8Eye
- 3. Operation
- TResection
Cutting out or off, without replacement, all of a body part
Includes: Total nephrectomy, total lobectomy of lung
- 4. Body Part
- 9Cornea, Left
- 5. Approach
- XExternal
Procedures performed directly on the skin or mucous membrane and procedures performed indirectly by the application of external force through the skin or mucous membrane
- 6. Device
- ZNo Device
- 7. Qualifier
- ZNo Qualifier
Other versions of this procedure
MS-DRG v44.0 grouping
All DRGs →Surgical MS-DRGs this procedure can group to, depending on the principal diagnosis's MDC.
MDC 02 · Diseases and Disorders of the Eye · Intraocular Procedures
MDC 21 · Injuries, Poisonings and Toxic Effects of Drugs · Other O.R. Procedures for Injuries
MDC 24 · Multiple Significant Trauma · Other O.R. Procedures for Multiple Significant Trauma
ICD-9-CM equivalent
Converter →- 11.99Other operations on corneaapproximate
From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about 08T9XZZ
Is 08T9XZZ a valid ICD-10-PCS code for 2027?
- Yes. 08T9XZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.
Is 08T9XZZ an O.R. procedure?
- Yes. 08T9XZZ is an O.R. procedure in MS-DRG v44.0.
What DRG does 08T9XZZ group to?
- Depending on the principal diagnosis, 08T9XZZ can group to MS-DRG 116, MS-DRG 117, MS-DRG 907, MS-DRG 908, MS-DRG 909 and MS-DRG 957.
What is the ICD-9 procedure code for 08T9XZZ?
- The CMS GEMs map 08T9XZZ to ICD-9-CM 11.99 (Other operations on cornea).