03740ZZDilation of Left Subclavian Artery, Open Approach
- Billable / Specific Code
03740ZZ is a billable ICD-10-PCS procedure code for Dilation of Left Subclavian Artery, Open 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 | 3 | Upper Arteries |
| 3 | Operation | 7 | Dilation |
| 4 | BodyPart | 4 | Subclavian Artery, Left |
| 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 dilation of the left subclavian artery, open the FY 2027 ICD-10-PCS Alphabetic Index at Dilation, then the subterms Artery, Subclavian, Left. The index leads to table 037, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 03740ZZ.
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
- 03740Z1 — Dilation of L Subclav Art using Drug Blln, Open Approach
Similar Procedure Codes
Questions About 03740ZZ
Is 03740ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Left Subclavian Artery, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 03740ZZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 3 is the Body System (Upper Arteries); the 3rd character 7 is the Operation (Dilation); the 4th character 4 is the BodyPart (Subclavian Artery, Left); 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 03740ZZ group to?
On an inpatient stay, Dilation of Left Subclavian Artery, Open 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 03740ZZ?
Under the General Equivalence Mappings, Dilation of Left Subclavian Artery, Open 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.
