M21.0 Header — not billable

Valgus deformity, not elsewhere classified

Valgus deformity, not elsewhere classified

M21.0 is a header (parent) code in the ICD-10-CM hierarchy. It is not billable for claim submission. Use one of the billable child codes listed below.

Billable codes in this category

Each of the codes below is billable. Choose the one that most accurately describes the patient's diagnosis.

M21.00
Valgus deformity, not elsewhere classified, unspecified site

M21.00 identifies an acquired valgus (outward angulation) deformity of a limb when the specific anatomical site is not documented or cannot be determined from the record.

Inclusion & exclusion notes

Excludes 1 (mutually exclusive — never code together)

  • metatarsus valgus (Q66.6)
  • talipes calcaneovalgus (Q66.4-)
↑ Parent: M21

Ready to transform your orthopedic practice?

See how orthopedic practices are running documentation, billing, and operations on a single voice-first platform.

Request Access