037K44ZDilation of Right Internal Carotid Artery with Drug-eluting Intraluminal Device, Percutaneous Endoscopic Approach

Medical and Surgical›Upper Arteries›Dilation
  • Billable / Specific Code
ICD-10-PCS 037K44Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

037K44Z is a billable ICD-10-PCS procedure code for Dilation of Right Internal Carotid Artery with Drug-eluting Intraluminal Device, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 12 MS-DRGs. The root operation Dilation involves expanding an orifice or the lumen of a tubular body part.

Code Identity

ICD-10-PCS Code
037K44Z
Billable Status
Yes — Valid for Submission
Code Describes
Dilation of Right Internal Carotid Artery with Drug-eluting Intraluminal Device, Percutaneous Endoscopic Approach
Parent Code
037
Short Description
Dilate R Int Carotid w Drug-elut Intra, Perc Endo

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
4BodyPartKInternal Carotid Artery, Right
5Approach4Percutaneous Endoscopic
6Device4Intraluminal Device, Drug-eluting
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 037K44Z under the General Equivalence Mappings.

61
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).
45
Approximate match; combination (more than one code may be needed).

Code History

Replaced in the FY 2026 code set by:
  • 037K45Z — Dilate of R Int Carotid with 2 Drug-elut, Perc Endo Approach
  • 037K46Z — Dilate of R Int Carotid with 3 Drug-elut, Perc Endo Approach
  • 037K47Z — Dilate of R Int Carotid with 4 Drug-elut, Perc Endo Approach

Similar Procedure Codes

Questions About 037K44Z

Is 037K44Z a billable code?

Yes. 037K44Z is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Right Internal Carotid Artery with Drug-eluting Intraluminal Device, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 037K44Z mean?

037K44Z 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 K is the BodyPart (Internal Carotid Artery, Right); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character 4 is the Device (Intraluminal Device, Drug-eluting); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 037K44Z group to?

On an inpatient stay, Dilation of Right Internal Carotid Artery with Drug-eluting Intraluminal Device, Percutaneous Endoscopic Approach maps to MS-DRGs 034, 035, 036, 252, 253, 254, 907, 908, 909, 957, 958, 959, with relative weights from 1.3127 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 037K44Z?

Under the General Equivalence Mappings, Dilation of Right Internal Carotid Artery with Drug-eluting Intraluminal Device, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 61, 40, and 55. The mapping is approximate, so confirm it fits the documentation.