10ICD Code Hub

S56.21

Header — not billable

Strain of other flexor muscle, fascia and tendon at forearm level

The ICD-10 code for strain of other flexor muscle, fascia and tendon at forearm level is S56.21.

S56.21 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 S56.21

Related codes in this category