ICD-10-PCS Code For Head Muscle: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 0KR0 includes procedures performed to replace head muscle tissue with biological or synthetic material in the head. These ICD-10-PCS codes are used for inpatient documentation when a head muscle is replaced due to damage, disease, or loss of function requiring implantation of material to restore form or function. Accurate coding within the ICD-10-PCS 0KR0 group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Head Muscle Replacement Procedure Overview

This group includes inpatient procedures that replace all or part of a head muscle with biological or synthetic material and target the muscular system of the head. Procedures involve removing damaged or nonfunctional muscle tissue and implanting material that takes the place and/or function of the original muscle. Accurate coding of these replacements in the Muscles body system is important for inpatient reimbursement because it captures the nature and extent of the operation performed and supports appropriate case mix assignment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
K	Body System	Muscles
R	Operation	Replacement
0	Body Part	Head Muscle

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ICD-10-PCS Code For Head Muscle: Procedure Code Group Overview

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Head Muscle Replacement Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
K	Body System	Muscles
R	Operation	Replacement
0	Body Part	Head Muscle

When to Use

Use codes from this group when the clinical record documents removal of damaged or nonfunctional head muscle followed by implantation of material to replace the muscle. Codes apply only when the operation performed is a replacement of head muscle tissue, not for repairs, transfers, or other distinct muscle procedures.

ICD-10-PCS Codes

6 rows

ICD-10-PCS Code	Description
0KR007Z	Replacement of Head Muscle with Autologous Tissue Substitute, Open Approach
0KR00JZ	Replacement of Head Muscle with Synthetic Substitute, Open Approach
0KR00KZ	Replacement of Head Muscle with Nonautologous Tissue Substitute, Open Approach
0KR047Z	Replacement of Head Muscle with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
0KR04JZ	Replacement of Head Muscle with Synthetic Substitute, Percutaneous Endoscopic Approach
0KR04KZ	Replacement of Head Muscle with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach

DRG Codes

18 rows

DRG Code	Description
040	Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC
041	Peripheral, Cranial Nerve and Other Nervous System Procedures with CC or Peripheral Neurostimulator
042	Peripheral, Cranial Nerve and Other Nervous System Procedures without CC/MCC
500	Soft Tissue Procedures with MCC
501	Soft Tissue Procedures with CC
502	Soft Tissue Procedures without CC/MCC
579	Other Skin, Subcutaneous Tissue and Breast Procedures with MCC
580	Other Skin, Subcutaneous Tissue and Breast Procedures with CC
581	Other Skin, Subcutaneous Tissue and Breast Procedures without CC/MCC
907	Other O.R. Procedures for Injuries with MCC

Showing 1–10 of 18

Typical Clinical Scenarios

A middle-aged patient presents after a segmental traumatic avulsion of a facial muscle (e.g., zygomaticus major) from a motor vehicle collision, with loss of muscle bulk and inability to elevate the corner of the mouth. In the inpatient setting, damaged muscle is excised and replaced with autologous tissue substitute (such as a local pedicled muscle or muscle flap harvested from the patient) to restore facial contour and function. An open surgical approach is required to secure the graft and reestablish muscle continuity. Typical codes: 0KR007Z
An adult patient with long-standing destructive myopathy of a head muscle resulting in progressive facial asymmetry and impaired oral competence undergoes a planned, elective reconstruction. The surgeon removes nonfunctional muscle tissue and implants a synthetic muscle substitute to restore form and support oral closure; the operation is performed via an open approach under general anesthesia. This is a staged, nonemergent inpatient procedure intended to improve function and appearance. Typical codes: 0KR00JZ
A patient who previously underwent muscle replacement for facial reconstruction develops partial failure of a nonautologous graft with persistent contour deformity and limited movement. During an inpatient revision, the surgeon removes the failed implant material and replaces the head muscle with a nonautologous tissue substitute chosen for better biocompatibility, using an open approach to excise scar tissue and secure the new implant. The procedure addresses the complication and aims to restore function. Typical codes: 0KR00KZ

Related Codes

0KR1-FACIAL-MUSCLE-REPLACEMENT

ICD-10-PCS Code For Facial Muscle: Procedure Code Group Overview

0KR2-NECK-MUSCLE-RIGHT-REPLACEMENT

ICD-10-PCS Code For Neck Muscle Right: Procedure Code Group Overview

0KR3-NECK-MUSCLE-LEFT-REPLACEMENT

ICD-10-PCS Code For Neck Muscle, Left: Procedure Code Group Overview

0KR4-TONGUE-PALATE-PHARYNX-REPLACEMENT

ICD-10-PCS Code For Tongue, Palate, Pharynx Muscle: Procedure Code Group Overview

0KR5-SHOULDER-MUSCLE-REPLACEMENT

ICD-10-PCS Code For Shoulder Muscle Right: Procedure Code Group Overview

0KR6-LEFT-SHOULDER-MUSCLE-REPLACEMENT

ICD-10-PCS Code For Left Shoulder Muscle: Procedure Code Group Overview

0KR7-UPPER-ARM-MUSCLE-REPLACEMENT

ICD-10-PCS Code For Upper Arm Muscle: Procedure Code Group Overview

0KR8-LEFT-UPPER-ARM-MUSCLE-REPLACEMENT

ICD-10-PCS Code For Upper Arm Muscle Left: Procedure Code Group Overview

0KR9-LOWER-ARM-AND-WRIST-MUSCLE-REPLACEMENT

ICD-10-PCS Code For Lower Arm And Wrist Muscle: Procedure Code Group Overview

0KRB-LEFT-LOWER-ARM-REPLACEMENT

ICD-10-PCS Code For Left Lower Arm And Wrist Muscle: Procedure Code Group Overview

Showing 1–10 of 27

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-PCS Codes

6 rows

ICD-10-PCS Code	Description
0KR007Z	Replacement of Head Muscle with Autologous Tissue Substitute, Open Approach
0KR00JZ	Replacement of Head Muscle with Synthetic Substitute, Open Approach
0KR00KZ	Replacement of Head Muscle with Nonautologous Tissue Substitute, Open Approach
0KR047Z	Replacement of Head Muscle with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
0KR04JZ	Replacement of Head Muscle with Synthetic Substitute, Percutaneous Endoscopic Approach
0KR04KZ	Replacement of Head Muscle with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach

DRG Codes

18 rows

DRG Code	Description
040	Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC
041	Peripheral, Cranial Nerve and Other Nervous System Procedures with CC or Peripheral Neurostimulator
042	Peripheral, Cranial Nerve and Other Nervous System Procedures without CC/MCC
500	Soft Tissue Procedures with MCC
501	Soft Tissue Procedures with CC
502	Soft Tissue Procedures without CC/MCC
579	Other Skin, Subcutaneous Tissue and Breast Procedures with MCC
580	Other Skin, Subcutaneous Tissue and Breast Procedures with CC
581	Other Skin, Subcutaneous Tissue and Breast Procedures without CC/MCC
907	Other O.R. Procedures for Injuries with MCC

Showing 1–10 of 18

Typical Clinical Scenarios

A middle-aged patient presents after a segmental traumatic avulsion of a facial muscle (e.g., zygomaticus major) from a motor vehicle collision, with loss of muscle bulk and inability to elevate the corner of the mouth. In the inpatient setting, damaged muscle is excised and replaced with autologous tissue substitute (such as a local pedicled muscle or muscle flap harvested from the patient) to restore facial contour and function. An open surgical approach is required to secure the graft and reestablish muscle continuity. Typical codes: 0KR007Z
An adult patient with long-standing destructive myopathy of a head muscle resulting in progressive facial asymmetry and impaired oral competence undergoes a planned, elective reconstruction. The surgeon removes nonfunctional muscle tissue and implants a synthetic muscle substitute to restore form and support oral closure; the operation is performed via an open approach under general anesthesia. This is a staged, nonemergent inpatient procedure intended to improve function and appearance. Typical codes: 0KR00JZ
A patient who previously underwent muscle replacement for facial reconstruction develops partial failure of a nonautologous graft with persistent contour deformity and limited movement. During an inpatient revision, the surgeon removes the failed implant material and replaces the head muscle with a nonautologous tissue substitute chosen for better biocompatibility, using an open approach to excise scar tissue and secure the new implant. The procedure addresses the complication and aims to restore function. Typical codes: 0KR00KZ

Related Codes

0KR1-FACIAL-MUSCLE-REPLACEMENT

ICD-10-PCS Code For Facial Muscle: Procedure Code Group Overview

0KR2-NECK-MUSCLE-RIGHT-REPLACEMENT

ICD-10-PCS Code For Neck Muscle Right: Procedure Code Group Overview

0KR3-NECK-MUSCLE-LEFT-REPLACEMENT

ICD-10-PCS Code For Neck Muscle, Left: Procedure Code Group Overview

0KR4-TONGUE-PALATE-PHARYNX-REPLACEMENT

ICD-10-PCS Code For Tongue, Palate, Pharynx Muscle: Procedure Code Group Overview

0KR5-SHOULDER-MUSCLE-REPLACEMENT

ICD-10-PCS Code For Shoulder Muscle Right: Procedure Code Group Overview

0KR6-LEFT-SHOULDER-MUSCLE-REPLACEMENT

ICD-10-PCS Code For Left Shoulder Muscle: Procedure Code Group Overview

0KR7-UPPER-ARM-MUSCLE-REPLACEMENT

ICD-10-PCS Code For Upper Arm Muscle: Procedure Code Group Overview

0KR8-LEFT-UPPER-ARM-MUSCLE-REPLACEMENT

ICD-10-PCS Code For Upper Arm Muscle Left: Procedure Code Group Overview

0KR9-LOWER-ARM-AND-WRIST-MUSCLE-REPLACEMENT

ICD-10-PCS Code For Lower Arm And Wrist Muscle: Procedure Code Group Overview

0KRB-LEFT-LOWER-ARM-REPLACEMENT

ICD-10-PCS Code For Left Lower Arm And Wrist Muscle: Procedure Code Group Overview

Showing 1–10 of 27

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-PCS Code For Head Muscle: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Head Muscle: Procedure Code Group Overview policy alerts

Head Muscle Replacement Procedure Overview

Code Attributes

ICD-10-PCS Code For Head Muscle: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Head Muscle: Procedure Code Group Overview policy alerts

Head Muscle Replacement Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers replacement of head muscle tissue?

What approach options are represented in the 0KR0 code group?

What types of substitutes are specified within the 0KR0 codes?

Why is accurate coding within the 0KR0 group important for inpatient reimbursement?

Which DRG categories may relate to procedures coded in the 0KR0 group?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers replacement of head muscle tissue?

What approach options are represented in the 0KR0 code group?

What types of substitutes are specified within the 0KR0 codes?

Why is accurate coding within the 0KR0 group important for inpatient reimbursement?

Which DRG categories may relate to procedures coded in the 0KR0 group?

References