0KR04JZReplacement of Head Muscle with Synthetic Substitute, Percutaneous Endoscopic Approach

Medical and Surgical›Muscles›Replacement
  • Billable / Specific Code
ICD-10-PCS 0KR04JZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

0KR04JZ is a billable ICD-10-PCS procedure code for Replacement of Head Muscle with Synthetic Substitute, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 15 MS-DRGs. The root operation Replacement involves putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Musculoskeletal device procedures, NEC.

Code Identity

ICD-10-PCS Code
0KR04JZ
Billable Status
Yes — Valid for Submission
Code Describes
Replacement of Head Muscle with Synthetic Substitute, Percutaneous Endoscopic Approach
Short Description
Replace of Head Muscle with Synth Sub, Perc Endo Approach
Parent Code
0KR

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 SystemKMuscles
3OperationRReplacement
4BodyPart0Head Muscle
5Approach4Percutaneous Endoscopic
6DeviceJSynthetic Substitute
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Masseter muscle
Anatomy or device term that leads here
Pterygoid muscle
Anatomy or device term that leads here
Temporalis muscle
Anatomy or device term that leads here
Auricularis muscle
Anatomy or device term that leads here
Replacement, Muscle, Head
Leads to this code's table
Splenius capitis muscle
Anatomy or device term that leads here
Temporoparietalis muscle
Anatomy or device term that leads here

To code replacement of the head muscle, open the FY 2027 ICD-10-PCS Alphabetic Index at Replacement, then the subterms Muscle, Head. The index leads to table 0KR, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0KR04JZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

MST029
Musculoskeletal device procedures, NEC
Clinical domain: Musculoskeletal, Subcutaneous Tissue, and Fascia Procedures

Code History

Replaces previously assigned code(s):
  • 0KQ04ZZ — Repair Head Muscle, Percutaneous Endoscopic Approach

Similar Procedure Codes

Questions About 0KR04JZ

Is 0KR04JZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Replacement of Head Muscle with Synthetic Substitute, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 0KR04JZ mean?

The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character K is the Body System (Muscles); the 3rd character R is the Operation (Replacement); the 4th character 0 is the BodyPart (Head Muscle); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character J is the Device (Synthetic Substitute); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 0KR04JZ group to?

On an inpatient stay, Replacement of Head Muscle with Synthetic Substitute, Percutaneous Endoscopic Approach maps to MS-DRGs 040, 041, 042, 500, 501, 502, 579, 580, 581, 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.