ICD-10-PCS Code For Knee Joint Right: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group XRRG includes procedures performed to replace biological or synthetic material in the right knee joint. These ICD-10-PCS codes are used for inpatient documentation when a prosthetic or biologic device is implanted to take the place and/or function of all or a portion of the right knee joint. Accurate coding within the ICD-10-PCS XRRG group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Knee Joint Replacement Procedure Overview

Procedures in this group involve replacing all or part of the right knee joint with biological or synthetic material and target the joints body system. These operations remove diseased or damaged joint surfaces and implant a prosthesis to restore function and relieve pain. Accurate ICD-10-PCS coding is important for inpatient reimbursement because it documents the specific replacement performed and supports appropriate payment and case mix assignment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
X	Section	New Technology
R	Body System	Joints
R	Operation	Replacement
G	Body Part	Knee Joint, Right

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ICD-10-PCS Code For Knee Joint Right: Procedure Code Group Overview

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Knee Joint Replacement Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
X	Section	New Technology
R	Body System	Joints
R	Operation	Replacement
G	Body Part	Knee Joint, Right

When to Use

Use a code from this group when a prosthesis or biologic material is implanted to replace all or part of the right knee joint during an inpatient stay. Codes in this group apply when the primary objective is to restore joint function by replacing native joint surfaces with a device or material.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
XRRG0L8	Replacement of Right Knee Joint with Synthetic Substitute, Lateral Meniscus, Open Approach, New Technology Group 8
XRRG0M8	Replacement of Right Knee Joint with Synthetic Substitute, Medial Meniscus, Open Approach, New Technology Group 8

DRG Codes

16 rows

DRG Code	Description
461	Bilateral or Multiple Major Joint Procedures of Lower Extremity with MCC
462	Bilateral or Multiple Major Joint Procedures of Lower Extremity without MCC
466	Revision of Hip or Knee Replacement with MCC
467	Revision of Hip or Knee Replacement with CC
468	Revision of Hip or Knee Replacement without CC/MCC
469	Major Hip and Knee Joint Replacement or Reattachment of Lower Extremity with MCC or Total Ankle Replacement
470	Major Hip and Knee Joint Replacement or Reattachment of Lower Extremity without MCC
628	Other Endocrine, Nutritional and Metabolic O.R. Procedures with MCC
629	Other Endocrine, Nutritional and Metabolic O.R. Procedures with CC
630	Other Endocrine, Nutritional and Metabolic O.R. Procedures without CC/MCC

Showing 1–10 of 16

Typical Clinical Scenarios

A 72-year-old patient with advanced tricompartmental osteoarthritis of the right knee presents for a scheduled inpatient total knee arthroplasty after failing conservative therapy (physical therapy, injections, and analgesics). The planned operation replaces degenerated joint surfaces and specifically addresses damage to the lateral meniscal compartment by implanting a synthetic prosthesis via an open approach to restore function and relieve chronic pain. Typical codes: XRRG0L8
A 64-year-old patient with severe medial compartment osteoarthritis and varus deformity of the right knee is admitted electively for joint replacement to correct alignment and reduce pain when nonoperative measures are ineffective. The procedure involves open implantation of a synthetic substitute focused on the medial meniscus portion of the knee joint to replace the diseased surfaces and improve weight-bearing mechanics. Typical codes: XRRG0M8
A 58-year-old patient with progressive post-traumatic right knee joint destruction after prior fracture develops worsening pain and instability and is admitted urgently for conversion to a prosthetic reconstruction because joint preservation is no longer feasible. Surgeons perform open replacement of the involved compartment with synthetic material to re-establish joint stability and function during the inpatient stay. Typical codes: XRRG0L8, XRRG0M8

Related Codes

XRRH-LEFT-KNEE-REPLACEMENT

ICD-10-PCS Code For Knee Joint Left: 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

2 rows

ICD-10-PCS Code	Description
XRRG0L8	Replacement of Right Knee Joint with Synthetic Substitute, Lateral Meniscus, Open Approach, New Technology Group 8
XRRG0M8	Replacement of Right Knee Joint with Synthetic Substitute, Medial Meniscus, Open Approach, New Technology Group 8

DRG Codes

16 rows

DRG Code	Description
461	Bilateral or Multiple Major Joint Procedures of Lower Extremity with MCC
462	Bilateral or Multiple Major Joint Procedures of Lower Extremity without MCC
466	Revision of Hip or Knee Replacement with MCC
467	Revision of Hip or Knee Replacement with CC
468	Revision of Hip or Knee Replacement without CC/MCC
469	Major Hip and Knee Joint Replacement or Reattachment of Lower Extremity with MCC or Total Ankle Replacement
470	Major Hip and Knee Joint Replacement or Reattachment of Lower Extremity without MCC
628	Other Endocrine, Nutritional and Metabolic O.R. Procedures with MCC
629	Other Endocrine, Nutritional and Metabolic O.R. Procedures with CC
630	Other Endocrine, Nutritional and Metabolic O.R. Procedures without CC/MCC

Showing 1–10 of 16

Typical Clinical Scenarios

A 72-year-old patient with advanced tricompartmental osteoarthritis of the right knee presents for a scheduled inpatient total knee arthroplasty after failing conservative therapy (physical therapy, injections, and analgesics). The planned operation replaces degenerated joint surfaces and specifically addresses damage to the lateral meniscal compartment by implanting a synthetic prosthesis via an open approach to restore function and relieve chronic pain. Typical codes: XRRG0L8
A 64-year-old patient with severe medial compartment osteoarthritis and varus deformity of the right knee is admitted electively for joint replacement to correct alignment and reduce pain when nonoperative measures are ineffective. The procedure involves open implantation of a synthetic substitute focused on the medial meniscus portion of the knee joint to replace the diseased surfaces and improve weight-bearing mechanics. Typical codes: XRRG0M8
A 58-year-old patient with progressive post-traumatic right knee joint destruction after prior fracture develops worsening pain and instability and is admitted urgently for conversion to a prosthetic reconstruction because joint preservation is no longer feasible. Surgeons perform open replacement of the involved compartment with synthetic material to re-establish joint stability and function during the inpatient stay. Typical codes: XRRG0L8, XRRG0M8

Related Codes

XRRH-LEFT-KNEE-REPLACEMENT

ICD-10-PCS Code For Knee Joint Left: 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 Knee Joint Right: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Knee Joint Right: Procedure Code Group Overview policy alerts

Knee Joint Replacement Procedure Overview

Code Attributes

ICD-10-PCS Code For Knee Joint Right: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Knee Joint Right: Procedure Code Group Overview policy alerts

Knee Joint Replacement Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which body system and operation are covered by the XRRG code group?

What specific body part is identified in the XRRG code attributes?

What are the individual ICD-10-PCS codes included in this group and how are they described?

Why is accurate coding within the XRRG group important for inpatient care?

Which DRG categories are related to procedures in the XRRG code group?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which body system and operation are covered by the XRRG code group?

What specific body part is identified in the XRRG code attributes?

What are the individual ICD-10-PCS codes included in this group and how are they described?

Why is accurate coding within the XRRG group important for inpatient care?

Which DRG categories are related to procedures in the XRRG code group?

References