T34.90 Frostbite with tissue necrosis of unspecified sites

Non-billable ICD-10-CM code.

Applicable to

• Frostbite with tissue necrosis NOS

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

Code annotations containing back-references to T34.90

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)")

Diagnosis Index entries for T34.90

• Frostbite (superficial) › with › tissue necrosis

Nearby codes

• T34.839 Frostbite with tissue necrosis of unspecified toe(s)
• T34.839A Frostbite with tissue necrosis of unspecified toe(s), initial encounter
• T34.839D Frostbite with tissue necrosis of unspecified toe(s), subsequent encounter
• T34.839S Frostbite with tissue necrosis of unspecified toe(s), sequela
• T34.9 Frostbite with tissue necrosis of other and unspecified sites
• T34.90 Frostbite with tissue necrosis of unspecified sites (this code)
• T34.90XA Frostbite with tissue necrosis of unspecified sites, initial encounter
• T34.90XD Frostbite with tissue necrosis of unspecified sites, subsequent encounter
• T34.90XS Frostbite with tissue necrosis of unspecified sites, sequela
• T34.99 Frostbite with tissue necrosis of other sites
• T34.99XA Frostbite with tissue necrosis of other sites, initial encounter