T33.4 Superficial frostbite of arm

Non-billable header with 3 child codes.

Excludes2 (not included here)

• superficial frostbite of wrist and hand (T33.5-)

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

Codes under T33.4

• T33.40 Superficial frostbite of unspecified arm
• T33.41 Superficial frostbite of right arm
• T33.42 Superficial frostbite of left arm

Code annotations containing back-references to T33.4

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 T33.4

• Frostbite (superficial) › arm

Nearby codes

• T33.2XXS Superficial frostbite of thorax, sequela
• T33.3 Superficial frostbite of abdominal wall, lower back and pelvis
• T33.3XXA Superficial frostbite of abdominal wall, lower back and pelvis, initial encounter
• T33.3XXD Superficial frostbite of abdominal wall, lower back and pelvis, subsequent encounter
• T33.3XXS Superficial frostbite of abdominal wall, lower back and pelvis, sequela
• T33.4 Superficial frostbite of arm (this code)
• T33.40 Superficial frostbite of unspecified arm
• T33.40XA Superficial frostbite of unspecified arm, initial encounter
• T33.40XD Superficial frostbite of unspecified arm, subsequent encounter
• T33.40XS Superficial frostbite of unspecified arm, sequela
• T33.41 Superficial frostbite of right arm