T33.011A Superficial frostbite of right ear, initial encounter

Billable ICD-10-CM code, FY2026.

Built from T33.011 with 7th character A (initial encounter).

Applies from T33 Superficial frostbite

Includes

• frostbite with partial thickness skin loss

7th character note

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

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Code annotations containing back-references to T33.011A

Back-references to T33

• Type 2 Excludes: I73 Other peripheral vascular diseases ("frostbite (T33-T34)")
• Type 2 Excludes: T68 Hypothermia ("frostbite (T33-T34)")
• Type 2 Excludes: T69 Other effects of reduced temperature ("frostbite (T33-T34)")

Nearby codes

• T33 Superficial frostbite
• T33.0 Superficial frostbite of head
• T33.01 Superficial frostbite of ear
• T33.011 Superficial frostbite of right ear
• T33.011A Superficial frostbite of right ear, initial encounter (this code)
• T33.011D Superficial frostbite of right ear, subsequent encounter
• T33.011S Superficial frostbite of right ear, sequela
• T33.012 Superficial frostbite of left ear
• T33.012A Superficial frostbite of left ear, initial encounter
• T33.012D Superficial frostbite of left ear, subsequent encounter