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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 0KR9 includes procedures performed to replace muscles in the lower arm and wrist on the right side. These ICD-10-PCS codes are used for inpatient documentation when a complete or partial muscle replacement is performed using biological or synthetic material to restore function. Accurate coding within the ICD-10-PCS 0KR9 group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

Customize your policy alerts

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

Get alerted when relevant policies change without checking for updates manually.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Lower Arm And Wrist Muscle Replacement Procedure Overview

This code group covers replacement procedures involving the muscles of the lower arm and wrist on the right side and targets the musculoskeletal components of the upper extremity. Procedures in this group replace all or part of the affected muscle with biological or synthetic material to restore function. Accurate coding of these muscle replacement procedures is necessary for correct inpatient documentation and reimbursement because it reflects the extent of surgical intervention 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
9	Body Part	Lower Arm and Wrist Muscle, Right

Explore openpayer tools

View all tools

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

Customize your policy alerts

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

Get alerted when relevant policies change without checking for updates manually.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Lower Arm And Wrist 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
9	Body Part	Lower Arm and Wrist Muscle, Right

When to Use

Use codes from this group when the surgical intent is to replace all or part of a right lower arm or wrist muscle with material that takes the place and/or function of the original muscle. These codes apply only to inpatient procedures where documentation supports a replacement rather than repair, reattachment, or other root operations.

ICD-10-PCS Codes

6 rows

ICD-10-PCS Code	Description
0KR907Z	Replacement of Right Lower Arm and Wrist Muscle with Autologous Tissue Substitute, Open Approach
0KR90JZ	Replacement of Right Lower Arm and Wrist Muscle with Synthetic Substitute, Open Approach
0KR90KZ	Replacement of Right Lower Arm and Wrist Muscle with Nonautologous Tissue Substitute, Open Approach
0KR947Z	Replacement of Right Lower Arm and Wrist Muscle with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
0KR94JZ	Replacement of Right Lower Arm and Wrist Muscle with Synthetic Substitute, Percutaneous Endoscopic Approach
0KR94KZ	Replacement of Right Lower Arm and Wrist Muscle with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach

DRG Codes

21 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
628	Other Endocrine, Nutritional and Metabolic O.R. Procedures with MCC

Showing 1–10 of 21

Typical Clinical Scenarios

A 28-year-old male construction worker sustains a traumatic avulsion of the right forearm flexor muscle group after a crush injury with extensive muscle loss and contamination. Because primary repair is not feasible and restoration of hand and wrist function is needed, the surgical team performs an open replacement of the missing right lower arm and wrist muscle using the patient’s own harvested tissue substitute to reconstruct muscle continuity and improve function. The procedure is done during the inpatient admission for trauma care and postoperative monitoring. Typical codes: 0KR907Z
A 52-year-old woman with chronic degenerative myopathy of the right forearm experiences progressive loss of wrist flexion and hand grip despite conservative management. Elective inpatient surgery is scheduled to replace the severely degenerated portion of the right lower arm and wrist muscle with a synthetic material to restore functional biomechanics and allow early rehabilitation. The operation is performed via an open approach under planned admission. Typical codes: 0KR90JZ
A 65-year-old man had prior graft reconstruction of the right forearm muscles that developed progressive graft failure and scar contracture, resulting in pain and limited wrist motion. During an inpatient revision procedure, the failed graft is replaced via a percutaneous endoscopic approach using nonautologous (donor) tissue substitute to reestablish muscle bulk and improve range of motion. The intervention is undertaken because prior repair/replacement failed and revision is required. Typical codes: 0KR94KZ

Related Codes

0KR0-HEAD-MUSCLE-REPLACEMENT

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

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

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.

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Explore openpayer tools

View all tools

When to Use

ICD-10-PCS Codes

6 rows

ICD-10-PCS Code	Description
0KR907Z	Replacement of Right Lower Arm and Wrist Muscle with Autologous Tissue Substitute, Open Approach
0KR90JZ	Replacement of Right Lower Arm and Wrist Muscle with Synthetic Substitute, Open Approach
0KR90KZ	Replacement of Right Lower Arm and Wrist Muscle with Nonautologous Tissue Substitute, Open Approach
0KR947Z	Replacement of Right Lower Arm and Wrist Muscle with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
0KR94JZ	Replacement of Right Lower Arm and Wrist Muscle with Synthetic Substitute, Percutaneous Endoscopic Approach
0KR94KZ	Replacement of Right Lower Arm and Wrist Muscle with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach

DRG Codes

21 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
628	Other Endocrine, Nutritional and Metabolic O.R. Procedures with MCC

Showing 1–10 of 21

Typical Clinical Scenarios

A 28-year-old male construction worker sustains a traumatic avulsion of the right forearm flexor muscle group after a crush injury with extensive muscle loss and contamination. Because primary repair is not feasible and restoration of hand and wrist function is needed, the surgical team performs an open replacement of the missing right lower arm and wrist muscle using the patient’s own harvested tissue substitute to reconstruct muscle continuity and improve function. The procedure is done during the inpatient admission for trauma care and postoperative monitoring. Typical codes: 0KR907Z
A 52-year-old woman with chronic degenerative myopathy of the right forearm experiences progressive loss of wrist flexion and hand grip despite conservative management. Elective inpatient surgery is scheduled to replace the severely degenerated portion of the right lower arm and wrist muscle with a synthetic material to restore functional biomechanics and allow early rehabilitation. The operation is performed via an open approach under planned admission. Typical codes: 0KR90JZ
A 65-year-old man had prior graft reconstruction of the right forearm muscles that developed progressive graft failure and scar contracture, resulting in pain and limited wrist motion. During an inpatient revision procedure, the failed graft is replaced via a percutaneous endoscopic approach using nonautologous (donor) tissue substitute to reestablish muscle bulk and improve range of motion. The intervention is undertaken because prior repair/replacement failed and revision is required. Typical codes: 0KR94KZ

Related Codes

0KR0-HEAD-MUSCLE-REPLACEMENT

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

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

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 Lower Arm And Wrist Muscle: Procedure Code Group Overview

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

Lower Arm And Wrist Muscle Replacement Procedure Overview

Code Attributes

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

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

Lower Arm And Wrist Muscle Replacement Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the 0KR9 code group for right lower arm and wrist muscle replacement?

What approaches to the surgical site are represented in the 0KR9 codes?

How does material type affect code selection within the 0KR9 group?

Why is accurate coding in the 0KR9 group important for inpatient documentation?

Which DRG categories may be related to procedures coded in the 0KR9 group?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the 0KR9 code group for right lower arm and wrist muscle replacement?

What approaches to the surgical site are represented in the 0KR9 codes?

How does material type affect code selection within the 0KR9 group?

Why is accurate coding in the 0KR9 group important for inpatient documentation?

Which DRG categories may be related to procedures coded in the 0KR9 group?

References