T34.019A Frostbite with tissue necrosis of unspecified ear, initial encounter

Billable ICD-10-CM code, FY2026.

Built from T34.019 with 7th character A (initial encounter).

Applies from T34 Frostbite with tissue necrosis

7th character note

• The appropriate 7th character is to be added to each code from category T34

7th character required

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

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Code annotations containing back-references to T34.019A

Back-references to T34

• 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

• T34.012 Frostbite with tissue necrosis of left ear
• T34.012A Frostbite with tissue necrosis of left ear, initial encounter
• T34.012D Frostbite with tissue necrosis of left ear, subsequent encounter
• T34.012S Frostbite with tissue necrosis of left ear, sequela
• T34.019 Frostbite with tissue necrosis of unspecified ear
• T34.019A Frostbite with tissue necrosis of unspecified ear, initial encounter (this code)
• T34.019D Frostbite with tissue necrosis of unspecified ear, subsequent encounter
• T34.019S Frostbite with tissue necrosis of unspecified ear, sequela
• T34.02 Frostbite with tissue necrosis of nose
• T34.02XA Frostbite with tissue necrosis of nose, initial encounter
• T34.02XD Frostbite with tissue necrosis of nose, subsequent encounter