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

ICD-10 Coding for Left Knee Osteoarthritis

M17.12
M17.32

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

Also Known as:
Left Knee OA
Degenerative Joint Disease of Left Knee
Unilateral Primary Osteoarthritis of Left Knee
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Key Information: ICD-10 Coding for Left Knee Osteoarthritis

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

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:
  • • No history of trauma, idiopathic degeneration
documentation:
  • • X-ray findings consistent with osteoarthritis

Applicable To

  • • Idiopathic osteoarthritis of left knee

Important Notes

  • • Ensure documentation specifies 'primary' to avoid confusion with secondary or post-traumatic OA.

Unilateral post-traumatic osteoarthritis, left knee

Billable Code
M17.32
Billable

Diagnostic Criteria

clinical:
  • • Documented history of knee trauma
documentation:
  • • Imaging showing post-traumatic changes

Applicable To

  • • Osteoarthritis due to previous knee injury

Important Notes

  • • Ensure trauma history is clearly documented to support the use of this code.
Ancillary Codes

Additional codes that may be used with this diagnosis

M25.562

Pain in left knee

Use to document pain symptoms if they are significant and require separate attention.

Z98.890

History of surgery

Use if the patient has a history of knee surgery related to the OA.

Frequently Asked Questions

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

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

How do you code post-traumatic osteoarthritis of the left knee?

Post-traumatic osteoarthritis of the left knee is coded as M17.32, requiring documentation of prior trauma.

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