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Home/Diagnosis/ICD-10 Coding for Left Knee Arthritis

ICD-10 Coding for Left Knee Arthritis

M17.12
M17.32

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

Also Known as:
Left Knee Osteoarthritis
Unilateral Primary Osteoarthritis of the Left Knee
Post-Traumatic Osteoarthritis of the Left Knee
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Key Information: ICD-10 Coding for Left Knee Arthritis

Essential facts and insights about ICD-10 Coding for Left Knee Arthritis

Use ICD-10 code M17.12 for unilateral primary osteoarthritis, left knee, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Unilateral primary osteoarthritis, left knee

Billable Code
M17.12
Billable

Diagnostic Criteria

clinical:
  • • Presence of chronic pain, morning stiffness, and radiographic changes
documentation:
  • • Documentation must specify 'unilateral primary osteoarthritis of the left knee'

Applicable To

  • • Degenerative joint disease of the left knee

Important Notes

  • • Ensure primary osteoarthritis is documented with specific clinical findings and imaging evidence.

Unilateral post-traumatic osteoarthritis, left knee

Billable Code
M17.32
Billable

Diagnostic Criteria

clinical:
  • • History of trauma with radiologic evidence of degenerative changes
  • • Clinical findings of joint line tenderness and reduced range of motion

Applicable To

  • • Post-traumatic degenerative joint disease of the left knee

Important Notes

  • • Document the trauma history and correlate with imaging findings.
Ancillary Codes

Additional codes that may be used with this diagnosis

M25.562

Pain in left knee

Use as an ancillary code when pain is a significant symptom, but not as the primary diagnosis.

Frequently Asked Questions

What is the ICD-10 code for left knee arthritis?

The ICD-10 code for unilateral primary osteoarthritis of the left knee is M17.12. For post-traumatic osteoarthritis, use M17.32.

How do you document left knee osteoarthritis?

Document specific clinical findings such as pain, stiffness, crepitus, and radiographic evidence. Specify if it's primary or post-traumatic.

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