08123Z4Bypass Right Anterior Chamber to Sclera, Percutaneous Approach
- Billable / Specific Code
08123Z4 is a billable ICD-10-PCS procedure code for Bypass Right Anterior Chamber to Sclera, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 11 MS-DRGs. The root operation Bypass involves altering the route of passage of the contents of a tubular body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Eye procedures.
Code Identity
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.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | 8 | Eye |
| 3 | Operation | 1 | Bypass |
| 4 | BodyPart | 2 | Anterior Chamber, Right |
| 5 | Approach | 3 | Percutaneous |
| 6 | Device | Z | No Device |
| 7 | Qualifier | 4 | Sclera |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code insertion of the aqueous drainage shunt, open the FY 2027 ICD-10-PCS Alphabetic Index at Insertion, then the subterm Aqueous drainage shunt. The index leads to table 081, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 08123Z4.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 08123Z4
Is 08123Z4 a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Right Anterior Chamber to Sclera, Percutaneous Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 08123Z4 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 1 is the Operation (Bypass); the 4th character 2 is the BodyPart (Anterior Chamber, Right); the 5th character 3 is the Approach (Percutaneous); the 6th character Z is the Device (No Device); the 7th character 4 is the Qualifier (Sclera).
What MS-DRG does 08123Z4 group to?
On an inpatient stay, Bypass Right Anterior Chamber to Sclera, Percutaneous Approach maps to MS-DRGs 116, 117, 628, 629, 630, 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 08123Z4?
Under the General Equivalence Mappings, Bypass Right Anterior Chamber to Sclera, Percutaneous Approach crosswalks to ICD-9-PCS 12.65 (Other scleral fistulization with iridectomy). The mapping is approximate, so confirm it fits the documentation.
