S21.00Non-billable (header)

Unspecified open wound of breast

Sub-codes of S21.00(3)

S21.00 is a non-billable header. Select a sub-code to bill. Sub-codes marked ⚠ require a 7th character — append A, D, or S (and an X placeholder if needed).

S21.001Unspecified open wound of right breast⚠ 7th charS21.002Unspecified open wound of left breast⚠ 7th charS21.009Unspecified open wound of unspecified breast⚠ 7th char

Code Hierarchy

┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├S20-S29Injuries to the thorax (S20-S29)├S21Open wound of thorax
└S21.00Unspecified open wound of breast

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