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ICD-10 Coding for Total Knee Replacement(Z96.651, M17.0)

Complete ICD-10-CM coding and documentation guide for Total Knee Replacement. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Knee ArthroplastyTKR

Related ICD-10 Code Ranges

Complete code families applicable to Total Knee Replacement

Z96.65Primary Range

Presence of artificial knee joint

Used to indicate the status post knee replacement surgery.

Osteoarthritis of knee

Common preoperative diagnosis leading to knee replacement.

Mechanical complications of internal orthopedic devices

Used for complications related to knee prosthesis.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
Z96.651Presence of right artificial knee jointUse for patients with a right knee prosthesis post-surgery.
  • Operative notes confirming right knee replacement
  • Postoperative status documentation
M17.0Bilateral primary osteoarthritis of kneeUse as the primary diagnosis leading to knee replacement.
  • Radiographic evidence of osteoarthritis
  • Clinical symptoms of knee pain and dysfunction

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for right total knee replacement

Essential facts and insights about Total Knee Replacement

The ICD-10 code for right total knee replacement is Z96.651.

Primary ICD-10-CM Codes for total knee replacement

Presence of right artificial knee joint
Billable Code

Decision Criteria

clinical Criteria

  • Patient has undergone right knee replacement surgery.

Applicable To

  • Right knee replacement status

Excludes

  • Complications of knee prosthesis (T84.0)

Clinical Validation Requirements

  • Operative notes confirming right knee replacement
  • Postoperative status documentation

Code-Specific Risks

  • Incorrect laterality documentation

Coding Notes

  • Ensure documentation supports the presence of the prosthesis.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Bilateral primary osteoarthritis of knee

M17.0
Use to document the underlying condition leading to surgery.

Presence of right artificial knee joint

Z96.651
Use post-surgery to indicate the presence of the prosthesis.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Presence of left artificial knee joint

Z96.652
Use for left knee prosthesis; ensure correct laterality.

Unilateral primary osteoarthritis, right knee

M17.11
Use for unilateral cases; ensure correct laterality.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Total Knee Replacement to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code Z96.651.

Impact

Clinical: Inadequate patient records for future reference., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.

Mitigation Strategy

Use standardized templates, Double-check operative notes

Impact

Reimbursement: May lead to claim denials or incorrect payment., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records.

Mitigation Strategy

Verify surgical notes for correct laterality before coding.

Impact

Overcoding E/M levels for routine post-op visits.

Mitigation Strategy

Ensure documentation supports the level of service billed.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Total Knee Replacement, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Total Knee Replacement

Use these documentation templates to ensure complete and accurate documentation for Total Knee Replacement. These templates include all required elements for proper coding and billing.

Primary TKR for osteoarthritis

Specialty: Orthopedic Surgery

Required Elements

  • Patient history
  • Radiographic findings
  • Failed conservative treatments
  • Operative details

Example Documentation

Patient presents with severe bilateral knee pain, unresponsive to NSAIDs and physical therapy. X-rays confirm bone-on-bone contact. Proceeding with right total knee arthroplasty.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has knee pain, needs surgery.
Good Documentation Example
Patient reports 10/10 knee pain with ambulation, failed 6 months of PT, X-ray shows bone-on-bone contact.
Explanation
The good example provides specific clinical findings and treatment history.

Need help with ICD-10 coding for Total Knee Replacement? Ask your questions below.

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