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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 0KX1 includes procedures performed to transfer muscles in the facial region to assume the function of another facial structure. These ICD-10-PCS codes are used for inpatient documentation when a facial muscle or portion of facial muscle is moved to restore or improve facial function. Accurate coding within the ICD-10-PCS 0KX1 group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Facial Muscle Transfer Procedure Overview

Procedures in this group involve transferring all or a portion of facial muscle to a new location to take over the function of another facial structure. These operations target the Muscles body system and specifically the facial muscle. Accurate ICD-10-PCS coding is important for inpatient reimbursement because it documents the transfer procedure performed and supports appropriate case mix classification and payment.

Code Attributes

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

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

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Facial 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
1	Body Part	Facial Muscle

When to Use

Use a code from this group when a facial muscle or part of a facial muscle is relocated to restore or replace the function of another facial part. These codes apply only to inpatient procedures where the transfer operation is performed on the facial muscles.

ICD-10-PCS Codes

8 rows

ICD-10-PCS Code	Description
0KX10Z0	Transfer Facial Muscle with Skin, Open Approach
0KX10Z1	Transfer Facial Muscle with Subcutaneous Tissue, Open Approach
0KX10Z2	Transfer Facial Muscle with Skin and Subcutaneous Tissue, Open Approach
0KX10ZZ	Transfer Facial Muscle, Open Approach
0KX14Z0	Transfer Facial Muscle with Skin, Percutaneous Endoscopic Approach
0KX14Z1	Transfer Facial Muscle with Subcutaneous Tissue, Percutaneous Endoscopic Approach
0KX14Z2	Transfer Facial Muscle with Skin and Subcutaneous Tissue, Percutaneous Endoscopic Approach
0KX14ZZ	Transfer Facial 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 45-year-old woman presents after a traumatic facial nerve injury from a motor vehicle collision resulting in complete paralysis of the lower facial muscles on the affected side. Inpatient surgical planning includes relocation of a portion of an intact facial muscle to reanimate the paralyzed region and restore oral competence and symmetry. An open surgical transfer is chosen to allow direct visualization and precise attachment of muscle tissue to restore function. Typical codes: 0KX10Z1, 0KX10ZZ
A 58-year-old man with long-standing unilateral facial palsy from prior parotid cancer resection is scheduled for elective facial reanimation to improve smile symmetry. The procedure transfers a segment of native facial muscle along with an overlying skin paddle through a percutaneous endoscopic approach to optimize cosmetic contour and minimize incision length during inpatient recovery. Typical codes: 0KX14Z0, 0KX14Z2
A 36-year-old woman with previous facial muscle transfer that failed to restore adequate oral excursion presents for revision due to scar tethering and partial loss of transferred muscle function. Inpatient revision involves resection of scar tissue and repeat transfer of facial muscle with subcutaneous tissue using an open approach to reestablish appropriate muscle vector and function. Typical codes: 0KX10Z1, 0KX10Z2

Related Codes

0KX0-HEAD-TRANSFER

ICD-10-PCS Code For Head 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
0KX10Z0	Transfer Facial Muscle with Skin, Open Approach
0KX10Z1	Transfer Facial Muscle with Subcutaneous Tissue, Open Approach
0KX10Z2	Transfer Facial Muscle with Skin and Subcutaneous Tissue, Open Approach
0KX10ZZ	Transfer Facial Muscle, Open Approach
0KX14Z0	Transfer Facial Muscle with Skin, Percutaneous Endoscopic Approach
0KX14Z1	Transfer Facial Muscle with Subcutaneous Tissue, Percutaneous Endoscopic Approach
0KX14Z2	Transfer Facial Muscle with Skin and Subcutaneous Tissue, Percutaneous Endoscopic Approach
0KX14ZZ	Transfer Facial 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 45-year-old woman presents after a traumatic facial nerve injury from a motor vehicle collision resulting in complete paralysis of the lower facial muscles on the affected side. Inpatient surgical planning includes relocation of a portion of an intact facial muscle to reanimate the paralyzed region and restore oral competence and symmetry. An open surgical transfer is chosen to allow direct visualization and precise attachment of muscle tissue to restore function. Typical codes: 0KX10Z1, 0KX10ZZ
A 58-year-old man with long-standing unilateral facial palsy from prior parotid cancer resection is scheduled for elective facial reanimation to improve smile symmetry. The procedure transfers a segment of native facial muscle along with an overlying skin paddle through a percutaneous endoscopic approach to optimize cosmetic contour and minimize incision length during inpatient recovery. Typical codes: 0KX14Z0, 0KX14Z2
A 36-year-old woman with previous facial muscle transfer that failed to restore adequate oral excursion presents for revision due to scar tethering and partial loss of transferred muscle function. Inpatient revision involves resection of scar tissue and repeat transfer of facial muscle with subcutaneous tissue using an open approach to reestablish appropriate muscle vector and function. Typical codes: 0KX10Z1, 0KX10Z2

Related Codes

0KX0-HEAD-TRANSFER

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

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

Facial Muscle Transfer Procedure Overview

Code Attributes

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

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

Facial Muscle Transfer Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in ICD-10-PCS code group 0KX1?

What body system and operation does the 0KX1 group represent in ICD-10-PCS?

How should coders document approach and tissue components for these codes?

Why is accurate coding within the 0KX1 group important for inpatient reimbursement?

Which DRGs may be assigned when procedures from 0KX1 are coded?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in ICD-10-PCS code group 0KX1?

What body system and operation does the 0KX1 group represent in ICD-10-PCS?

How should coders document approach and tissue components for these codes?

Why is accurate coding within the 0KX1 group important for inpatient reimbursement?

Which DRGs may be assigned when procedures from 0KX1 are coded?

References