05794ZZDilation of Right Brachial Vein, Percutaneous Endoscopic Approach
- Billable / Specific Code
05794ZZ is a billable ICD-10-PCS procedure code for Dilation of Right Brachial Vein, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 252, 253, 254. The root operation Dilation involves expanding an orifice or the lumen of a tubular body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Embolectomy, endarterectomy, and related vessel procedures (non-endovascular; excluding carotid).
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 | 5 | Upper Veins |
| 3 | Operation | 7 | Dilation |
| 4 | BodyPart | 9 | Brachial Vein, Right |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 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 dilation of the right brachial vein, open the FY 2027 ICD-10-PCS Alphabetic Index at Dilation, then the subterms Vein, Brachial, Right. The index leads to table 057, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 05794ZZ.
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.
Code History
- 05794Z1 — Dilation of R Brach Vein using Drug Blln, Perc Endo Approach
Similar Procedure Codes
Questions About 05794ZZ
Is 05794ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Right Brachial Vein, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 05794ZZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 5 is the Body System (Upper Veins); the 3rd character 7 is the Operation (Dilation); the 4th character 9 is the BodyPart (Brachial Vein, Right); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 05794ZZ group to?
On an inpatient stay, Dilation of Right Brachial Vein, Percutaneous Endoscopic Approach maps to MS-DRGs 252, 253, 254, with relative weights from 1.7961 to 3.4822. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 05794ZZ?
Under the General Equivalence Mappings, Dilation of Right Brachial Vein, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 39.50 (Angioplasty of other non-coronary vessel(s)) and 00.40 (Procedure on single vessel). The mapping is approximate, so confirm it fits the documentation.
