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Home/Diagnosis/ICD-10 Coding for Knee Instability

ICD-10 Coding for Knee Instability

M25.361
S83.521A

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

Also Known as:
Knee Laxity
Ligamentous Instability of the Knee
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Key Information: ICD-10 Coding for Knee Instability

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

Use ICD-10 code M25.361 for chronic instability of right knee, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Chronic instability of right knee

Billable Code
M25.361
Billable

Diagnostic Criteria

  • • History of ligament injury >6 months
  • • Positive pivot shift test
  • • MRI showing ligament laxity

Applicable To

  • • Chronic ACL laxity
  • • Chronic PCL laxity

Important Notes

  • • Ensure chronicity and laterality are documented.

Sprain of posterior cruciate ligament of right knee, initial encounter

Billable Code
S83.521A
Billable

Diagnostic Criteria

  • • Recent trauma
  • • Positive posterior drawer test
  • • MRI showing partial PCL tear

Applicable To

  • • Acute PCL sprain

Important Notes

  • • Ensure the correct 7th character is used for encounter type.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z96.651

Presence of right artificial knee joint

Use for patients with a prosthetic knee joint.

Frequently Asked Questions

What is the ICD-10 code for chronic knee instability?

The ICD-10 code for chronic knee instability is M25.36. It is used for conditions resulting from old ligament injuries.

How do you code acute knee ligament injuries?

Acute knee ligament injuries are coded using the S83.5 series, depending on the specific ligament and encounter type.

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