M20.1
Header — not billableHallux valgus (acquired)
The ICD-10 code for hallux valgus (acquired) is M20.1.
M20.1 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- bunion (M21.6-)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M20.0Deformity of finger(s)non-billable header
- M20.2Hallux rigidusnon-billable header
- M20.3Hallux varus (acquired)non-billable header
- M20.4Other hammer toe(s) (acquired)non-billable header
- M20.5Other deformities of toe(s) (acquired)non-billable header
- M20.6Acquired deformities of toe(s), unspecifiednon-billable header
- M20.1Hallux valgus (acquired)non-billable header