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ICD-10 Coding for Arthritis Knee(M17.0, M17.11)

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

Also known as:

Knee OsteoarthritisDegenerative Joint Disease of the KneeKnee OAdegenerative joint disease knee

Related ICD-10 Code Ranges

Complete code families applicable to Arthritis Knee

M17.0-M17.9Primary Range

Osteoarthritis of the knee

This range includes codes for primary, secondary, and unspecified osteoarthritis of the knee, covering different types and laterality.

Rheumatoid arthritis with rheumatoid factor

Includes codes for rheumatoid arthritis affecting the knee, which may be confused with osteoarthritis.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
M17.0Bilateral primary osteoarthritis of kneeUse when both knees are affected by primary osteoarthritis.
  • X-ray showing osteophytes and joint space narrowing
  • Clinical history of bilateral knee pain and stiffness
M17.11Unilateral primary osteoarthritis, right kneeUse when only the right knee is affected by primary osteoarthritis.
  • X-ray showing osteophytes and joint space narrowing in the right knee
  • Clinical history of right knee pain and stiffness

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 arthritis knee

Essential facts and insights about Arthritis Knee

The ICD-10 code for primary osteoarthritis of the knee is M17.0 for bilateral involvement, M17.11 for the right knee, and M17.12 for the left knee.

Primary ICD-10-CM Codes for arthritis knee

Bilateral primary osteoarthritis of knee
Billable Code

Decision Criteria

clinical Criteria

  • Bilateral knee pain with X-ray evidence of osteoarthritis

Applicable To

  • Primary osteoarthritis of both knees

Excludes

  • Rheumatoid arthritis (M05.-)

Clinical Validation Requirements

  • X-ray showing osteophytes and joint space narrowing
  • Clinical history of bilateral knee pain and stiffness

Code-Specific Risks

  • Ensure bilateral involvement is documented.

Coding Notes

  • Document bilateral involvement and primary nature of osteoarthritis.

Ancillary Codes

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

Morbid obesity

E66.01
Use when obesity is a contributing factor to knee osteoarthritis.

Differential Codes

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

Rheumatoid arthritis, right knee

M05.361
Presence of rheumatoid factor and synovitis on MRI.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Arthritis Knee to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code M17.0.

Impact

Clinical: May lead to incorrect diagnosis., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.

Mitigation Strategy

Always include imaging results in documentation., Cross-check radiology reports.

Impact

Reimbursement: May lead to denied claims or reduced reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of health records.

Mitigation Strategy

Always specify laterality (right, left, bilateral) when documented.

Impact

Failure to document laterality can lead to audit flags.

Mitigation Strategy

Implement checklist for documentation review.

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 Arthritis Knee, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Arthritis Knee

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

Chronic knee pain evaluation

Specialty: Orthopedics

Required Elements

  • History of present illness
  • Physical examination findings
  • Imaging results
  • Treatment plan

Example Documentation

Patient presents with chronic right knee pain, worsened by activity. X-ray shows moderate joint space narrowing. Plan includes NSAIDs and physical therapy.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has knee pain.
Good Documentation Example
Patient has chronic right knee pain with X-ray evidence of osteoarthritis.
Explanation
The good example provides specific details on laterality and imaging findings.

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

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