037A45ZDilation of Left Ulnar Artery with Two Drug-eluting Intraluminal Devices, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 037A45Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

037A45Z is a billable ICD-10-PCS procedure code for Dilation of Left Ulnar Artery with Two Drug-eluting Intraluminal Devices, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 252, 253, 254. The root operation Dilation involves expanding an orifice or the lumen of a tubular body part.

Code Identity

ICD-10-PCS Code
037A45Z
Billable Status
Yes — Valid for Submission
Code Describes
Dilation of Left Ulnar Artery with Two Drug-eluting Intraluminal Devices, Percutaneous Endoscopic Approach
Parent Code
Short Description
Dilation of L Ulnar Art with 2 Drug-elut, Perc Endo Approac

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
4BodyPartAUlnar Artery, Left
5Approach4Percutaneous Endoscopic
6Device5Intraluminal Device, Drug-eluting, Two
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 037A45Z 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).
55
Approximate match; combination (more than one code may be needed).
46
Approximate match; combination (more than one code may be needed).

Code History

Replaces previously assigned code(s):
  • 037A44Z — Dilate L Ulnar Art w Drug-elut Intra, Perc Endo

Similar Procedure Codes

Questions About 037A45Z

Is 037A45Z a billable code?

Yes. 037A45Z is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Left Ulnar Artery with Two Drug-eluting Intraluminal Devices, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 037A45Z mean?

037A45Z 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 A is the BodyPart (Ulnar Artery, Left); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character 5 is the Device (Intraluminal Device, Drug-eluting, Two); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 037A45Z group to?

On an inpatient stay, Dilation of Left Ulnar Artery with Two Drug-eluting Intraluminal Devices, Percutaneous Endoscopic Approach maps to MS-DRGs 252, 253, 254, with relative weights from 1.7817 to 3.4883. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 037A45Z?

Under the General Equivalence Mappings, Dilation of Left Ulnar Artery with Two Drug-eluting Intraluminal Devices, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 39.50, 40, and 55. The mapping is approximate, so confirm it fits the documentation.