S21.20Non-billable (header)

Unspecified open wound of back wall of thorax without penetration into thoracic cavity

Unspecified open wound of back wall of thorax without penetr…

Sub-codes of S21.20(3)

S21.20 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).

S21.201Unspecified open wound of right back wall of thorax without …⚠ 7th charS21.202Unspecified open wound of left back wall of thorax without p…⚠ 7th charS21.209Unspecified open wound of unspecified back wall of thorax wi…⚠ 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
└S21.20Unspecified open wound of back wall of thorax without penetr…

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