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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 0KHY includes procedures performed to insert nonbiological appliances that monitor, assist, perform, or prevent a physiological function in lower muscle tissue. These ICD-10-PCS codes are used for inpatient documentation when a device is placed into lower muscles to provide monitoring, assistance, or prevention of muscle-related physiological functions. Accurate coding within the ICD-10-PCS 0KHY group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Lower Muscle Insertion Procedure Overview

This procedure group covers insertion of nonbiological appliances that monitor, assist, perform, or prevent a physiological function in the lower muscles and targets the Muscles body system. Procedures involve placing devices into lower muscle tissue to support or monitor muscle function without replacing the muscle itself. Accurate ICD-10-PCS coding is important for inpatient reimbursement because it ensures the procedure performed is captured correctly 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
H	Operation	Insertion
Y	Body Part	Lower Muscle

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

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Lower 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
Y	Body Part	Lower Muscle

When to Use

Use a code from this group when a nonbiological device is placed into the lower muscles to monitor, assist, perform, or prevent a physiological function. Do not use these codes for procedures that remove or replace muscle tissue or for devices that physically take the place of a body part.

ICD-10-PCS Codes

6 rows

ICD-10-PCS Code	Description
0KHY0MZ	Insertion of Stimulator Lead into Lower Muscle, Open Approach
0KHY0YZ	Insertion of Other Device into Lower Muscle, Open Approach
0KHY3MZ	Insertion of Stimulator Lead into Lower Muscle, Percutaneous Approach
0KHY3YZ	Insertion of Other Device into Lower Muscle, Percutaneous Approach
0KHY4MZ	Insertion of Stimulator Lead into Lower Muscle, Percutaneous Endoscopic Approach
0KHY4YZ	Insertion of Other Device into Lower 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

A hospitalized trauma patient with penetrating thigh injury develops persistent loss of motor function and severe involuntary muscle contractions in a specific lower extremity muscle. Surgical teams place a monitoring/neuromodulation lead directly into the affected lower muscle during an open procedure to assess and modulate local muscle activity and reduce spasm while evaluating nerve recovery; this is performed during the same inpatient admission for acute management. Typical codes: 0KHY0MZ
An adult with chronic peripheral nerve injury and refractory focal muscle spasm elects a planned inpatient procedure to implant a percutaneous stimulator lead into a lower limb muscle under image guidance to provide ongoing neuromuscular assistance and symptomatic relief; the minimally invasive approach is chosen to reduce recovery time. Typical codes: 0KHY3MZ, 0KHY4MZ
A patient admitted for worsening functional impairment after prior conservative therapy undergoes inpatient placement of a non-stimulatory assistive device directly into a lower muscle via an open approach to prevent further contracture and support rehabilitation when percutaneous methods are not feasible. Typical codes: 0KHY0YZ

Related Codes

0KHX-UPPER-MUSCLE-INSERTION

ICD-10-PCS Code For Upper 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
0KHY0MZ	Insertion of Stimulator Lead into Lower Muscle, Open Approach
0KHY0YZ	Insertion of Other Device into Lower Muscle, Open Approach
0KHY3MZ	Insertion of Stimulator Lead into Lower Muscle, Percutaneous Approach
0KHY3YZ	Insertion of Other Device into Lower Muscle, Percutaneous Approach
0KHY4MZ	Insertion of Stimulator Lead into Lower Muscle, Percutaneous Endoscopic Approach
0KHY4YZ	Insertion of Other Device into Lower 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

A hospitalized trauma patient with penetrating thigh injury develops persistent loss of motor function and severe involuntary muscle contractions in a specific lower extremity muscle. Surgical teams place a monitoring/neuromodulation lead directly into the affected lower muscle during an open procedure to assess and modulate local muscle activity and reduce spasm while evaluating nerve recovery; this is performed during the same inpatient admission for acute management. Typical codes: 0KHY0MZ
An adult with chronic peripheral nerve injury and refractory focal muscle spasm elects a planned inpatient procedure to implant a percutaneous stimulator lead into a lower limb muscle under image guidance to provide ongoing neuromuscular assistance and symptomatic relief; the minimally invasive approach is chosen to reduce recovery time. Typical codes: 0KHY3MZ, 0KHY4MZ
A patient admitted for worsening functional impairment after prior conservative therapy undergoes inpatient placement of a non-stimulatory assistive device directly into a lower muscle via an open approach to prevent further contracture and support rehabilitation when percutaneous methods are not feasible. Typical codes: 0KHY0YZ

Related Codes

0KHX-UPPER-MUSCLE-INSERTION

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

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

Lower Muscle Insertion Procedure Overview

Code Attributes

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

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

Lower Muscle Insertion Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which body system and operation does the ICD-10-PCS code group 0KHY target?

What types of devices and approaches are represented in the 0KHY code set?

Why is accurate coding within the ICD-10-PCS 0KHY group important for inpatient care?

Which DRG groups are related to procedures in the 0KHY code group?

What does the 0KHY code group specifically indicate about the device placement?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which body system and operation does the ICD-10-PCS code group 0KHY target?

What types of devices and approaches are represented in the 0KHY code set?

Why is accurate coding within the ICD-10-PCS 0KHY group important for inpatient care?

Which DRG groups are related to procedures in the 0KHY code group?

What does the 0KHY code group specifically indicate about the device placement?

References