T69.1 Chilblains

Non-billable ICD-10-CM code.

Applies from T69 Other effects of reduced temperature

Excludes2 (not included here)

• frostbite (T33-T34)

Use additional code

• code to identify source of exposure:
• Exposure to excessive cold of man-made origin (W93)
• Exposure to excessive cold of natural origin (X31)

7th character note

• The appropriate 7th character is to be added to each code from category T69

7th character required

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

Code annotations containing back-references to T69.1

Back-references to T69.1

• Type 2 Excludes: I73 Other peripheral vascular diseases ("chilblains (T69.1)")

Diagnosis Index entries for T69.1

• Chilblain (s) (lupus)
• Dermatitis (eczematous) › congelationis
• Effect, adverse › cold (temperature) (weather) › chilblains
• Erythema, erythematous (infectional) (inflammation) › pernio
• Pernio, perniosis

Nearby codes

• T69.022S Immersion foot, left foot, sequela
• T69.029 Immersion foot, unspecified foot
• T69.029A Immersion foot, unspecified foot, initial encounter
• T69.029D Immersion foot, unspecified foot, subsequent encounter
• T69.029S Immersion foot, unspecified foot, sequela
• T69.1 Chilblains (this code)
• T69.1XXA Chilblains, initial encounter
• T69.1XXD Chilblains, subsequent encounter
• T69.1XXS Chilblains, sequela
• T69.8 Other specified effects of reduced temperature
• T69.8XXA Other specified effects of reduced temperature, initial encounter