10ICD Code Hub

S21.00

Header — not billable

Unspecified open wound of breast

The ICD-10 code for unspecified open wound of breast is S21.00.

S21.00 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.

Child codes under S21.00

Related codes in this category