M20.00
Header — not billableUnspecified deformity of finger(s)
The ICD-10 code for unspecified deformity of finger(s) is M20.00.
M20.00 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.
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.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M20.01Mallet fingernon-billable header
- M20.02Boutonnière deformitynon-billable header
- M20.03Swan-neck deformitynon-billable header
- M20.09Other deformity of finger(s)non-billable header
- M20.00Unspecified deformity of finger(s)non-billable header