037M4DZDilation of Right External Carotid Artery with Intraluminal Device, Percutaneous Endoscopic Approach
- Billable / Specific Code
037M4DZ is a billable ICD-10-PCS procedure code for Dilation of Right External Carotid Artery with Intraluminal Device, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 12 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 Carotid endarterectomy and stenting.
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 | M | External Carotid Artery, Right |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | D | Intraluminal 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:
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
Similar Procedure Codes
Questions About 037M4DZ
Is 037M4DZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Right External Carotid Artery with Intraluminal Device, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 037M4DZ 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 M is the BodyPart (External Carotid Artery, Right); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character D is the Device (Intraluminal Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 037M4DZ group to?
On an inpatient stay, Dilation of Right External Carotid Artery with 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 1.3810 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 037M4DZ?
Under the General Equivalence Mappings, Dilation of Right External Carotid Artery with Intraluminal Device, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 00.61 (Percutaneous angioplasty of extracranial vessel(s)), 00.40 (Procedure on single vessel), and 00.63 (Percutaneous insertion of carotid artery stent(s)). The mapping is approximate, so confirm it fits the documentation.
