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 0KX0 includes procedures performed to transfer muscle tissue in the head. These ICD-10-PCS codes are used for inpatient documentation when muscle transfer is performed to restore or reassign function in the head area. Accurate coding within the ICD-10-PCS 0KX0 group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

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Head Muscle Transfer Procedure Overview

This procedure group includes inpatient transfer procedures that move all or a portion of a head muscle to another location to take over the function of another muscle. These procedures target the muscular system and involve repositioning muscle tissue without removal. Accurate ICD-10-PCS coding of these transfers ensures the inpatient record reflects the procedure performed and supports appropriate reimbursement and case-mix classification.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
K	Body System	Muscles
X	Operation	Transfer
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 Transfer Procedure Overview

Code Attributes

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

When to Use

Use a code from this group when a head muscle is repositioned without removal to restore or reassign function. Codes apply when the operative intent is transfer of muscle tissue within the head to take over function of another muscle.

ICD-10-PCS Codes

8 rows

ICD-10-PCS Code	Description
0KX00Z0	Transfer Head Muscle with Skin, Open Approach
0KX00Z1	Transfer Head Muscle with Subcutaneous Tissue, Open Approach
0KX00Z2	Transfer Head Muscle with Skin and Subcutaneous Tissue, Open Approach
0KX00ZZ	Transfer Head Muscle, Open Approach
0KX04Z0	Transfer Head Muscle with Skin, Percutaneous Endoscopic Approach
0KX04Z1	Transfer Head Muscle with Subcutaneous Tissue, Percutaneous Endoscopic Approach
0KX04Z2	Transfer Head Muscle with Skin and Subcutaneous Tissue, Percutaneous Endoscopic Approach
0KX04ZZ	Transfer Head Muscle, Percutaneous Endoscopic Approach

DRG Codes

6 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

Typical Clinical Scenarios

A 58-year-old patient presents after facial nerve palsy secondary to a cerebrovascular accident resulting in persistent paralysis of the orbicularis oculi and inability to close the eyelid. During a planned inpatient reconstructive procedure, a segment of nearby head muscle is mobilized and transferred to the periorbital region through an open incision to restore eyelid function and protect the cornea. The transfer preserves the muscle tissue in situ without removal and is performed via an open approach to allow precise anchoring and tensioning. Typical codes: 0KX00Z2, 0KX00ZZ
A 32-year-old patient suffers a high-energy facial trauma with avulsion and loss of native mimic musculature, resulting in severe oral commissure dysfunction and compromised oral competence. In the acute inpatient setting, surgeons transfer a head muscle flap with skin and subcutaneous tissue using a percutaneous endoscopic approach to re-establish movement of the mouth corner and improve swallowing and speech. The procedure reassigns existing head muscle function to an area lacking functional muscle without tissue removal. Typical codes: 0KX04Z2
A 70-year-old patient with prior facial reanimation surgery presents with failure of a previous muscle transfer due to adhesion and loss of excursion, causing recurrent facial asymmetry. During an inpatient revision, surgeons perform an open transfer of a different head muscle together with skin to recreate dynamic movement and correct the failed prior reconstruction. The operation transfers muscle tissue to assume the function of the dysfunctional facial muscle, performed openly to manage scar tissue and ensure secure attachment. Typical codes: 0KX00Z0

Related Codes

0KX1-FACIAL-MUSCLE-TRANSFER

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

0KX2-NECK-MUSCLE-TRANSFER

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

0KX3-NECK-MUSCLE-LEFT-TRANSFER

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

0KX4-TONGUE-PALATE-PHARYNX-TRANSFER

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

0KX5-RIGHT-SHOULDER-MOVING-SHOULDER-MUSCLE-TRANSFER

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

0KX6-LEFT-SHOULDER-MUSCLE-TRANSFER

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

0KX7-UPPER-ARM-MUSCLE-TRANSFER

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

0KX8-UPPER-ARM-MUSCLE-LEFT-TRANSFER

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

0KX9-LOWER-ARM-AND-WRIST-TRANSFER

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

0KXB-LEFT-LOWER-ARM-TRANSFER

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

8 rows

ICD-10-PCS Code	Description
0KX00Z0	Transfer Head Muscle with Skin, Open Approach
0KX00Z1	Transfer Head Muscle with Subcutaneous Tissue, Open Approach
0KX00Z2	Transfer Head Muscle with Skin and Subcutaneous Tissue, Open Approach
0KX00ZZ	Transfer Head Muscle, Open Approach
0KX04Z0	Transfer Head Muscle with Skin, Percutaneous Endoscopic Approach
0KX04Z1	Transfer Head Muscle with Subcutaneous Tissue, Percutaneous Endoscopic Approach
0KX04Z2	Transfer Head Muscle with Skin and Subcutaneous Tissue, Percutaneous Endoscopic Approach
0KX04ZZ	Transfer Head Muscle, Percutaneous Endoscopic Approach

DRG Codes

6 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

Typical Clinical Scenarios

A 58-year-old patient presents after facial nerve palsy secondary to a cerebrovascular accident resulting in persistent paralysis of the orbicularis oculi and inability to close the eyelid. During a planned inpatient reconstructive procedure, a segment of nearby head muscle is mobilized and transferred to the periorbital region through an open incision to restore eyelid function and protect the cornea. The transfer preserves the muscle tissue in situ without removal and is performed via an open approach to allow precise anchoring and tensioning. Typical codes: 0KX00Z2, 0KX00ZZ
A 32-year-old patient suffers a high-energy facial trauma with avulsion and loss of native mimic musculature, resulting in severe oral commissure dysfunction and compromised oral competence. In the acute inpatient setting, surgeons transfer a head muscle flap with skin and subcutaneous tissue using a percutaneous endoscopic approach to re-establish movement of the mouth corner and improve swallowing and speech. The procedure reassigns existing head muscle function to an area lacking functional muscle without tissue removal. Typical codes: 0KX04Z2
A 70-year-old patient with prior facial reanimation surgery presents with failure of a previous muscle transfer due to adhesion and loss of excursion, causing recurrent facial asymmetry. During an inpatient revision, surgeons perform an open transfer of a different head muscle together with skin to recreate dynamic movement and correct the failed prior reconstruction. The operation transfers muscle tissue to assume the function of the dysfunctional facial muscle, performed openly to manage scar tissue and ensure secure attachment. Typical codes: 0KX00Z0

Related Codes

0KX1-FACIAL-MUSCLE-TRANSFER

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

0KX2-NECK-MUSCLE-TRANSFER

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

0KX3-NECK-MUSCLE-LEFT-TRANSFER

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

0KX4-TONGUE-PALATE-PHARYNX-TRANSFER

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

0KX5-RIGHT-SHOULDER-MOVING-SHOULDER-MUSCLE-TRANSFER

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

0KX6-LEFT-SHOULDER-MUSCLE-TRANSFER

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

0KX7-UPPER-ARM-MUSCLE-TRANSFER

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

0KX8-UPPER-ARM-MUSCLE-LEFT-TRANSFER

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

0KX9-LOWER-ARM-AND-WRIST-TRANSFER

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

0KXB-LEFT-LOWER-ARM-TRANSFER

ICD-10-PCS Code For Lower Arm And Wrist Muscle Left: 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 Transfer 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 Transfer 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 head muscle transfer procedures?

What are the operation and body system attributes for codes in the 0KX0 group?

Which specific codes in the 0KX0 group represent open approach transfers?

Which codes correspond to percutaneous endoscopic head muscle transfers?

How do codes in the 0KX0 group affect inpatient reimbursement and DRG assignment?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers head muscle transfer procedures?

What are the operation and body system attributes for codes in the 0KX0 group?

Which specific codes in the 0KX0 group represent open approach transfers?

Which codes correspond to percutaneous endoscopic head muscle transfers?

How do codes in the 0KX0 group affect inpatient reimbursement and DRG assignment?

References