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Home/Diagnosis/ICD-10 Coding for Bunion

ICD-10 Coding for Bunion

M20.11
M21.611

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

Also Known as:
Hallux Valgus
Bunion Deformity
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Key Information: ICD-10 Coding for Bunion

Essential facts and insights about ICD-10 Coding for Bunion

Use ICD-10 code M20.11 for hallux valgus (acquired), right foot, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Hallux valgus (acquired), right foot

Billable Code
M20.11
Billable

Diagnostic Criteria

  • • Presence of lateral deviation and structural deformity.

Applicable To

  • • Structural deformity with lateral deviation of the hallux

Important Notes

  • • Ensure documentation specifies lateral deviation and structural deformity.

Bunion, right foot

Billable Code
M21.611
Billable

Diagnostic Criteria

  • • Radiographic IMA <9°
  • • No sesamoid displacement

Applicable To

  • • Cosmetic prominence without valgus deviation

Important Notes

  • • Ensure documentation specifies absence of valgus deviation.
Frequently Asked Questions

What is the ICD-10 code for a bunion?

The ICD-10 code for a bunion without structural deformity is M21.611. For hallux valgus with structural deformity, use M20.11.

How do you code a bunion surgery?

Bunion surgery, such as a Lapidus procedure, is coded with CPT 28297. Ensure documentation includes tarsometatarsal fusion and angular measurements.

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