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Home/Diagnosis/ICD-10 Coding for Swelling of the Left Knee

ICD-10 Coding for Swelling of the Left Knee

M25.462
M17.12

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

Also Known as:
Left Knee Effusion
Left Knee Swelling
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Key Information: ICD-10 Coding for Swelling of the Left Knee

Essential facts and insights about ICD-10 Coding for Swelling of the Left Knee

Use ICD-10 code M25.462 for effusion, left knee, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Effusion, left knee

Billable Code
M25.462
Billable

Diagnostic Criteria

clinical:
  • • Presence of effusion confirmed by imaging or physical exam.
documentation:
  • • Laterality must be specified as left.

Applicable To

  • • Swelling of left knee
  • • Fluid accumulation in left knee

Important Notes

  • • Ensure documentation specifies effusion and laterality.

Unilateral primary osteoarthritis, left knee

Billable Code
M17.12
Billable

Diagnostic Criteria

clinical:
  • • X-ray showing joint space narrowing
  • • Presence of osteophytes

Applicable To

  • • Degenerative joint disease of left knee

Important Notes

  • • Ensure osteoarthritis is documented as the primary condition.
Ancillary Codes

Additional codes that may be used with this diagnosis

M17.12

Unilateral primary osteoarthritis, left knee

Use when effusion is secondary to osteoarthritis.

Frequently Asked Questions

What is the ICD-10 code for swelling of the left knee?

The ICD-10 code for swelling of the left knee is M25.462, used for effusion without a specified traumatic or infectious cause.

How do you document left knee effusion?

Document left knee effusion by specifying laterality, confirming effusion through imaging or physical exam, and noting any associated symptoms or findings.

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