T34.7 Frostbite with tissue necrosis of knee and lower leg

Non-billable header with 3 child codes.

Excludes2 (not included here)

• frostbite with tissue necrosis of ankle and foot (T34.8-)

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

Codes under T34.7

• T34.70 Frostbite with tissue necrosis of unspecified knee and lower leg
• T34.71 Frostbite with tissue necrosis of right knee and lower leg
• T34.72 Frostbite with tissue necrosis of left knee and lower leg

Code annotations containing back-references to T34.7

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 T34.7

• Frostbite (superficial) › knee › with tissue necrosis
• Frostbite (superficial) › leg › lower › with tissue necrosis

Nearby codes

• T34.61XS Frostbite with tissue necrosis of right hip and thigh, sequela
• T34.62 Frostbite with tissue necrosis of left hip and thigh
• T34.62XA Frostbite with tissue necrosis of left hip and thigh, initial encounter
• T34.62XD Frostbite with tissue necrosis of left hip and thigh, subsequent encounter
• T34.62XS Frostbite with tissue necrosis of left hip and thigh, sequela
• T34.7 Frostbite with tissue necrosis of knee and lower leg (this code)
• T34.70 Frostbite with tissue necrosis of unspecified knee and lower leg
• T34.70XA Frostbite with tissue necrosis of unspecified knee and lower leg, initial encounter
• T34.70XD Frostbite with tissue necrosis of unspecified knee and lower leg, subsequent encounter
• T34.70XS Frostbite with tissue necrosis of unspecified knee and lower leg, sequela
• T34.71 Frostbite with tissue necrosis of right knee and lower leg