04773ZZDilation of Left Colic Artery, Percutaneous Approach
- Billable / Specific Code
04773ZZ is a billable ICD-10-PCS procedure code for Dilation of Left Colic Artery, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 33 MS-DRGs. 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 Angioplasty and related vessel procedures (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 | 4 | Lower Arteries |
| 3 | Operation | 7 | Dilation |
| 4 | BodyPart | 7 | Colic Artery, Left |
| 5 | Approach | 3 | Percutaneous |
| 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 left colic artery, open the FY 2027 ICD-10-PCS Alphabetic Index at Dilation, then the subterms Artery, Colic, Left. The index leads to table 047, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 04773ZZ.
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
- 04773Z1 — Dilation of Left Colic Artery using Drug Blln, Perc Approach
Similar Procedure Codes
Questions About 04773ZZ
Is 04773ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Left Colic Artery, Percutaneous Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 04773ZZ 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 7 is the Operation (Dilation); the 4th character 7 is the BodyPart (Colic Artery, Left); the 5th character 3 is the Approach (Percutaneous); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 04773ZZ group to?
On an inpatient stay, Dilation of Left Colic Artery, Percutaneous Approach maps to MS-DRGs 037, 038, 039, 166, 167, 168, 252, 253, 254, 356, 357, 358, 423, 424, 425, 515, 516, 517, 579, 580, 581, 628, 629, 630, 673, 674, 675, 907, 908, 909, 957, 958, 959, with relative weights from 1.1858 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 04773ZZ?
Under the General Equivalence Mappings, Dilation of Left Colic Artery, Percutaneous 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.
