T33.821⚠ Requires 7th Character

Superficial frostbite of right foot

⚠ 7th Character Required

The appropriate 7th character is to be added to each code from category T33

This code is not valid for billing without a 7th character. Append one of the following to T33.821:

Ainitial encounterT33.821ADsubsequent encounterT33.821DSsequelaT33.821S

Sub-codes of T33.821(3)

T33.821 is a non-billable header. Select a sub-code to bill.

T33.821ASuperficial frostbite of right foot, initial encounter✓ BillableT33.821DSuperficial frostbite of right foot, subsequent encounter✓ BillableT33.821SSuperficial frostbite of right foot, sequela✓ Billable

Code Hierarchy

┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├T33-T34Frostbite (T33-T34)├T33Superficial frostbite
└T33.821Superficial frostbite of right foot

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