T33.90 Superficial frostbite of unspecified sites

Non-billable ICD-10-CM code.

Applicable to

• Superficial frostbite NOS

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 T33.90

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)")

Diagnosis Index entries for T33.90

• Frostbite (superficial)

Nearby codes

• T33.839 Superficial frostbite of unspecified toe(s)
• T33.839A Superficial frostbite of unspecified toe(s), initial encounter
• T33.839D Superficial frostbite of unspecified toe(s), subsequent encounter
• T33.839S Superficial frostbite of unspecified toe(s), sequela
• T33.9 Superficial frostbite of other and unspecified sites
• T33.90 Superficial frostbite of unspecified sites (this code)
• T33.90XA Superficial frostbite of unspecified sites, initial encounter
• T33.90XD Superficial frostbite of unspecified sites, subsequent encounter
• T33.90XS Superficial frostbite of unspecified sites, sequela
• T33.99 Superficial frostbite of other sites
• T33.99XA Superficial frostbite of other sites, initial encounter