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Home/Diagnosis/ICD-10 Coding for Chondromalacia Knee

ICD-10 Coding for Chondromalacia Knee

M22.41
M22.42
M94.261

Complete ICD-10-CM coding and documentation guide for icd-10 coding for chondromalacia knee includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Runner's Knee
Patellofemoral Pain Syndrome
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Key Information: ICD-10 Coding for Chondromalacia Knee

Essential facts and insights about ICD-10 Coding for Chondromalacia Knee

Use ICD-10 code M22.41 for chondromalacia patellae, right knee, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Chondromalacia patellae, right knee

Billable Code
M22.41
Billable

Diagnostic Criteria

  • • MRI showing cartilage loss at the patella
  • • Positive patellar grind test

Applicable To

  • • Chondromalacia of the patella

Important Notes

  • • Ensure laterality is documented to avoid unspecified codes.

Chondromalacia patellae, left knee

Billable Code
M22.42
Billable

Diagnostic Criteria

  • • MRI showing cartilage loss at the patella
Ancillary Codes

Additional codes that may be used with this diagnosis

M25.561

Pain in right knee

Use to document associated knee pain.

M25.562

Pain in left knee

Use to document associated knee pain.

Frequently Asked Questions

What is the ICD-10 code for chondromalacia knee?

The ICD-10 code for chondromalacia of the knee is M22.4x for patellar involvement and M94.26x for other sites.

How do you code chondromalacia involving both the patella and femoral condyle?

Use M94.26x if chondromalacia affects both the patella and other knee structures, as M22.4x is exclusive to patellar involvement.

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  • • Positive patellar grind test
  • Applicable To

    • • Chondromalacia of the patella

    Important Notes

    • • Ensure laterality is documented to avoid unspecified codes.

    Chondromalacia, right knee

    Billable Code
    M94.261
    Billable

    Diagnostic Criteria

    • • MRI showing cartilage loss in femoral condyles
    • • Positive squat test

    Applicable To

    • • Chondromalacia involving femoral condyles

    Important Notes

    • • Cannot be used with M22.4 for the same knee.

    Chondromalacia, left knee

    Billable Code
    M94.262
    Billable

    Diagnostic Criteria

    • • MRI showing cartilage loss in femoral condyles
    • • Positive squat test

    Applicable To

    • • Chondromalacia involving femoral condyles

    Important Notes

    • • Cannot be used with M22.4 for the same knee.