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Home/Diagnosis/ICD-10 Coding for Foot Drop

ICD-10 Coding for Foot Drop

M21.37x
G57.3

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

Also Known as:
Drop Foot
Peroneal Nerve Palsy
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Key Information: ICD-10 Coding for Foot Drop

Essential facts and insights about ICD-10 Coding for Foot Drop

Use ICD-10 code M21.37x for acquired foot drop, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Acquired foot drop

Non-Billable
M21.37x
Non-Billable

Diagnostic Criteria

  • • Acquired foot drop without neurological cause

Applicable To

  • • Acquired foot drop

Important Notes

  • • Ensure laterality is specified.

Lesion of lateral popliteal nerve

Non-Billable
G57.3
Non-Billable

Applicable To

  • • Peroneal nerve injury

Important Notes

  • • Document nerve injury specifics.
Ancillary Codes

Additional codes that may be used with this diagnosis

G83.81

Monoparesis of lower limb

Use for weakness linked to central causes.

Frequently Asked Questions

What is the ICD-10 code for foot drop?

The ICD-10 code for acquired foot drop is M21.37x, with laterality specified. If due to a peroneal nerve lesion, use G57.3.

How do you document foot drop for coding?

Documentation should specify whether the foot drop is acquired or congenital, the laterality, and any neurological causes.

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