T33.4Non-billable (header)

Superficial frostbite of arm

Sub-codes of T33.4(3)

T33.4 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).

T33.40Superficial frostbite of unspecified arm⚠ 7th char T33.41Superficial frostbite of right arm⚠ 7th char T33.42Superficial frostbite of left arm⚠ 7th char

⚠ Excludes 2(Not included here)

•superficial frostbite of wrist and hand (T33.5-)

Code Hierarchy

┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├T33-T34Frostbite (T33-T34)├T33Superficial frostbite

└T33.4Superficial frostbite of arm

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