10ICD Code Hub

S56.31

Header — not billable

Strain of extensor or abductor muscles, fascia and tendons of thumb at forearm level

The ICD-10 code for strain of extensor or abductor muscles, fascia and tendons of thumb at forearm level is S56.31.

S56.31 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.

Child codes under S56.31

Related codes in this category