04BY0ZZExcision of Lower Artery, Open Approach
- Billable / Specific Code
04BY0ZZ is a billable ICD-10-PCS procedure code for Excision of Lower Artery, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 12 MS-DRGs. The root operation Excision involves cutting out or off, without replacement, a portion of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Saphenous vein harvest and other therapeutic vessel removal.
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 | 4 | Lower Arteries |
| 3 | Operation | B | Excision |
| 4 | BodyPart | Y | Lower Artery |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code excision of the lower artery, open the FY 2027 ICD-10-PCS Alphabetic Index at Excision, then the subterms Artery, Lower. The index leads to table 04B, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 04BY0ZZ.
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 04BY0ZZ
Is 04BY0ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Excision of Lower Artery, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 04BY0ZZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 4 is the Body System (Lower Arteries); the 3rd character B is the Operation (Excision); the 4th character Y is the BodyPart (Lower Artery); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 04BY0ZZ group to?
On an inpatient stay, Excision of Lower Artery, Open Approach maps to MS-DRGs 252, 253, 254, 628, 629, 630, 907, 908, 909, 957, 958, 959, with relative weights from 1.3715 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 04BY0ZZ?
Under the General Equivalence Mappings, Excision of Lower Artery, Open Approach crosswalks to ICD-9-PCS 38.30 (Resection of vessel with anastomosis, unspecified site), 38.38 (Resection of vessel with anastomosis, lower limb arteries), and 38.60 (Other excision of vessels, unspecified site). The mapping is approximate, so confirm it fits the documentation.
