03743ZZDilation of Left Subclavian Artery, Percutaneous Approach

  • Billable / Specific Code
ICD-10-PCS 03743ZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

03743ZZ is a billable ICD-10-PCS procedure code for Dilation of Left Subclavian Artery, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 33 MS-DRGs. The root operation Dilation involves expanding an orifice or the lumen of a tubular body part.

Code Identity

ICD-10-PCS Code
03743ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Dilation of Left Subclavian Artery, Percutaneous Approach
Parent Code
Short Description
Dilation of Left Subclavian Artery, Percutaneous Approach

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.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System3Upper Arteries
3Operation7Dilation
4BodyPart4Subclavian Artery, Left
5Approach3Percutaneous
6DeviceZNo Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 03743ZZ under the General Equivalence Mappings.

39.50
Approximate match; combination (more than one code may be needed).
40
Approximate match; combination (more than one code may be needed).

Code History

Replaced in the FY 2026 code set by:
  • 03743Z1 — Dilation of L Subclav Art using Drug Blln, Perc Approach

Similar Procedure Codes

Questions About 03743ZZ

Is 03743ZZ a billable code?

Yes. 03743ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Left Subclavian Artery, Percutaneous Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 03743ZZ mean?

03743ZZ 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 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 03743ZZ group to?

On an inpatient stay, Dilation of Left Subclavian 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 1.1755 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 03743ZZ?

Under the General Equivalence Mappings, Dilation of Left Subclavian Artery, Percutaneous Approach crosswalks to ICD-9-PCS 39.50 and 40. The mapping is approximate, so confirm it fits the documentation.