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

ICD-10 Coding for Left Knee Strain

S86.812A

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

Also Known as:
Left Knee Muscle Strain
Left Knee Tendon Strain
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Key Information: ICD-10 Coding for Left Knee Strain

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

Use ICD-10 code S86.812A for strain of muscle, fascia and tendon of other parts of left lower leg, initial encounter, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Strain of muscle, fascia and tendon of other parts of left lower leg, initial encounter

Billable Code
S86.812A
Billable

Diagnostic Criteria

clinical:
  • • Presence of muscle tenderness and swelling in the lower leg
coding:
  • • Initial encounter for a strain in the lower leg
documentation:
  • • Detailed description of the injury mechanism and location

Applicable To

  • • Strain of medial gastrocnemius
  • • Strain of popliteus

Important Notes

  • • Ensure laterality and encounter type are specified. Use external cause codes to provide context.
Ancillary Codes

Additional codes that may be used with this diagnosis

W19.XXXA

Unspecified fall, initial encounter

Use to describe the external cause of the injury.

Y93.64

Activity, soccer

Use to specify the activity during which the injury occurred.

Frequently Asked Questions

What is the ICD-10 code for a left knee strain?

The ICD-10 code for a left knee strain, initial encounter, is S86.812A. This code is used for strains involving the muscles and tendons of the lower leg, including the knee area.

How do you document a left knee strain?

Document a left knee strain by specifying the exact muscle or tendon involved, the mechanism of injury, and any diagnostic imaging results. Include details such as tenderness and swelling.

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