T33.9Non-billable (header)

Superficial frostbite of other and unspecified sites

Sub-codes of T33.9(2)

T33.9 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).

T33.90Superficial frostbite of unspecified sites⚠ 7th charT33.99Superficial frostbite of other sites⚠ 7th char

Code Hierarchy

┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├T33-T34Frostbite (T33-T34)├T33Superficial frostbite
└T33.9Superficial frostbite of other and unspecified sites

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