08T9XZZResection of Left Cornea, External Approach

  • Billable / Specific Code
ICD-10-PCS 08T9XZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

08T9XZZ is a billable ICD-10-PCS procedure code for Resection of Left Cornea, External Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 8 MS-DRGs. The root operation Resection involves cutting out or off, without replacement, all of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Eye procedures.

Code Identity

ICD-10-PCS Code
08T9XZZ
Billable Status
Yes — Valid for Submission
Code Describes
Resection of Left Cornea, External Approach
Short Description
Resection of Left Cornea, External Approach
Same as the full description in the CMS dataset.
Parent Code

PCS Table Breakdown

Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System8Eye
3OperationTResection
4BodyPart9Cornea, Left
5ApproachXExternal
6DeviceZNo Device
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Resection, Cornea, Left
Direct entry for this code
Leads to this code's table
Leads to this code's table
Leads to this code's table
Leads to this code's table
Enucleation, Eyeball
Leads to this code's table
Evisceration, Eyeball
Leads to this code's table
Keratectomy, kerectomy
Leads to this code's table

To code resection of the left cornea, open the FY 2027 ICD-10-PCS Alphabetic Index at Resection, then the subterms Cornea, Left. The entry lists 08T9XZZ directly as a complete, billable code.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

EYP001
Eye procedures
Clinical domain: Eye Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

11.99
Other operations on cornea
Approximate match.

Questions About 08T9XZZ

Is 08T9XZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Resection of Left Cornea, External Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What is the ICD-10-PCS code for resection of the left cornea?

The FY 2027 ICD-10-PCS Alphabetic Index entry Resection, Cornea, Left is a direct entry for 08T9XZZ, Resection of Left Cornea, External Approach, billable on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 08T9XZZ mean?

The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 8 is the Body System (Eye); the 3rd character T is the Operation (Resection); the 4th character 9 is the BodyPart (Cornea, Left); the 5th character X is the Approach (External); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 08T9XZZ group to?

On an inpatient stay, Resection of Left Cornea, External Approach maps to MS-DRGs 116, 117, 907, 908, 909, 957, 958, 959, with relative weights from 1.0615 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 08T9XZZ?

Under the General Equivalence Mappings, Resection of Left Cornea, External Approach crosswalks to ICD-9-PCS 11.99 (Other operations on cornea). The mapping is approximate, so confirm it fits the documentation.