Other deformity of left finger(s)

This diagnosis code signifies any acquired or congenital structural abnormality affecting one or more fingers of the left hand, excluding conditions specifically classified elsewhere (e.g., clubbing, mallet finger, boutonnière deformity). It encompasses a range of non-specified deformities impacting the normal shape, alignment, or function of the left digits.

Use this code when documentation describes a deformity of the left finger(s) that does not have a more specific ICD-10-CM code. This is appropriate for conditions like unspecified contractures, angulations, or other structural deviations of the left digits. Documentation should clearly indicate the laterality (left) and the presence of a finger deformity without further specification.

• Ensure the documentation specifies "left" finger(s); otherwise, an unspecified laterality code may be more appropriate.
• Always search for a more specific code first (e.g., M20.01- for mallet finger, M20.02- for boutonnière deformity) before resorting to this "other" category.
• This code is for acquired or congenital deformities; do not use for acute injuries unless the injury resulted in a permanent deformity.