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

ICD-10 Coding for Effusion of the Left Knee

M25.462

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

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

Essential facts and insights about ICD-10 Coding for Effusion 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 fluid accumulation confirmed by imaging or physical exam.
documentation:
  • • Explicit mention of 'left knee effusion' in the medical record.

Applicable To

  • • Left knee swelling
  • • Fluid accumulation in left knee

Important Notes

  • • Ensure laterality is clearly documented to avoid miscoding.
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.

S83.512A

Sprain of anterior cruciate ligament of left knee, initial encounter

Use for traumatic effusion cases.

Frequently Asked Questions

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

The ICD-10 code for left knee effusion is M25.462. This code is used when there is documented fluid accumulation in the left knee.

How do you document left knee effusion?

Document left knee effusion by specifying laterality, confirming with imaging or physical exam, and noting any underlying conditions.

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