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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 0KHX includes procedures performed to insert nonbiological appliances that monitor, assist, perform, or prevent physiological functions in upper muscles. These ICD-10-PCS codes are used for inpatient documentation when a device is placed into an upper muscle to provide monitoring, assistance, or functional support without replacing the muscle. Accurate coding within the ICD-10-PCS 0KHX group is essential for proper inpatient reimbursement, as it captures the specific insertion procedure performed and supports clinical documentation accuracy.

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Upper Muscle Insertion Procedure Overview

Procedures in this group involve the insertion of nonbiological appliances into upper muscles to monitor, assist, perform, or prevent physiological functions. These procedures target the muscular system of the upper body and involve placing devices that do not replace the muscle itself. Accurate coding of these insertions in the inpatient setting ensures the procedure is properly documented and supports appropriate reimbursement and case mix assignment.

Code Attributes

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

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

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Upper Muscle Insertion Procedure Overview

Code Attributes

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

When to Use

Use codes from this group when a nonbiological device is implanted into an upper muscle to provide monitoring, assistive function, or preventive action during an inpatient encounter. Select the code when documentation confirms insertion into the upper muscle and the device does not function as a biological replacement of the muscle.

ICD-10-PCS Codes

6 rows

ICD-10-PCS Code	Description
0KHX0MZ	Insertion of Stimulator Lead into Upper Muscle, Open Approach
0KHX0YZ	Insertion of Other Device into Upper Muscle, Open Approach
0KHX3MZ	Insertion of Stimulator Lead into Upper Muscle, Percutaneous Approach
0KHX3YZ	Insertion of Other Device into Upper Muscle, Percutaneous Approach
0KHX4MZ	Insertion of Stimulator Lead into Upper Muscle, Percutaneous Endoscopic Approach
0KHX4YZ	Insertion of Other Device into Upper Muscle, Percutaneous Endoscopic Approach

DRG Codes

12 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
907	Other O.R. Procedures for Injuries with MCC
908	Other O.R. Procedures for Injuries with CC
909	Other O.R. Procedures for Injuries without CC/MCC
957	Other O.R. Procedures for Multiple Significant Trauma with MCC

Showing 1–10 of 12

Typical Clinical Scenarios

An adult patient is admitted after a traumatic injury to the shoulder with persistent, refractory spasm of the deltoid and adjacent upper arm muscles causing severe pain and functional impairment. Conservative measures failed and the team places a neuromuscular stimulator lead directly into the affected upper muscle via an open approach to provide targeted stimulation for pain control and spasm reduction during the inpatient stay and to establish a temporary therapeutic course. Typical codes: 0KHX0MZ
A middle-aged patient with chronic, progressive focal muscle weakness of the trapezius and scapular stabilizers undergoes a planned inpatient procedure to implant an assistive nonbiological device into the involved upper muscle using a percutaneous endoscopic approach. The device is intended to augment muscle function and assist rehabilitation when noninvasive therapies have been inadequate, and documentation confirms placement into the muscle without replacing it. Typical codes: 0KHX4MZ, 0KHX4YZ
A patient with a previously implanted percutaneous stimulator lead for an upper muscle develops lead malfunction and recurrent loss of function with pain at the insertion site. During the inpatient admission for device revision, the surgeon removes the failed lead and inserts a replacement stimulator lead into the same upper muscle via a percutaneous approach to restore monitoring and assistive function. Typical codes: 0KHX3MZ

Related Codes

0KHY-LOWER-MUSCLE-INSERTION

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

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
0KHX0MZ	Insertion of Stimulator Lead into Upper Muscle, Open Approach
0KHX0YZ	Insertion of Other Device into Upper Muscle, Open Approach
0KHX3MZ	Insertion of Stimulator Lead into Upper Muscle, Percutaneous Approach
0KHX3YZ	Insertion of Other Device into Upper Muscle, Percutaneous Approach
0KHX4MZ	Insertion of Stimulator Lead into Upper Muscle, Percutaneous Endoscopic Approach
0KHX4YZ	Insertion of Other Device into Upper Muscle, Percutaneous Endoscopic Approach

DRG Codes

12 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
907	Other O.R. Procedures for Injuries with MCC
908	Other O.R. Procedures for Injuries with CC
909	Other O.R. Procedures for Injuries without CC/MCC
957	Other O.R. Procedures for Multiple Significant Trauma with MCC

Showing 1–10 of 12

Typical Clinical Scenarios

An adult patient is admitted after a traumatic injury to the shoulder with persistent, refractory spasm of the deltoid and adjacent upper arm muscles causing severe pain and functional impairment. Conservative measures failed and the team places a neuromuscular stimulator lead directly into the affected upper muscle via an open approach to provide targeted stimulation for pain control and spasm reduction during the inpatient stay and to establish a temporary therapeutic course. Typical codes: 0KHX0MZ
A middle-aged patient with chronic, progressive focal muscle weakness of the trapezius and scapular stabilizers undergoes a planned inpatient procedure to implant an assistive nonbiological device into the involved upper muscle using a percutaneous endoscopic approach. The device is intended to augment muscle function and assist rehabilitation when noninvasive therapies have been inadequate, and documentation confirms placement into the muscle without replacing it. Typical codes: 0KHX4MZ, 0KHX4YZ
A patient with a previously implanted percutaneous stimulator lead for an upper muscle develops lead malfunction and recurrent loss of function with pain at the insertion site. During the inpatient admission for device revision, the surgeon removes the failed lead and inserts a replacement stimulator lead into the same upper muscle via a percutaneous approach to restore monitoring and assistive function. Typical codes: 0KHX3MZ

Related Codes

0KHY-LOWER-MUSCLE-INSERTION

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

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 Upper Muscle: Procedure Code Group Overview

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

Upper Muscle Insertion Procedure Overview

Code Attributes

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

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

Upper Muscle Insertion 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 insertion of nonbiological appliances into upper muscles?

What procedures are included in the 0KHX code group and how are approaches differentiated?

What are the code attributes for the 0KHX group that coders should note?

How does accurate coding within the 0KHX group affect reimbursement and documentation?

Which DRGs may be associated with procedures coded in the 0KHX group?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers insertion of nonbiological appliances into upper muscles?

What procedures are included in the 0KHX code group and how are approaches differentiated?

What are the code attributes for the 0KHX group that coders should note?

How does accurate coding within the 0KHX group affect reimbursement and documentation?

Which DRGs may be associated with procedures coded in the 0KHX group?

References