Is M20.4 a billable code?
No. M20.4 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
M20.4: Other hammer toe(s) (acquired)
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
M20.4 groups related diagnoses under other hammer toe(s) (acquired). It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under M20.4
- M20.40Other hammer toe(s) (acquired), unspecified foot
- M20.41Other hammer toe(s) (acquired), right foot
- M20.42Other hammer toe(s) (acquired), left foot
Other codes in M20 Acquired deformities of fingers and toes
M20.4 questions
What does M20.4 mean?
M20.4 is the ICD-10-CM code for Other hammer toe(s) (acquired). It is in chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.