ICD-10-CM 2027
ICD-10 code for Congelationis dermatitis
From the official ICD-10-CM alphabetic index entry “Dermatitis (eczematous) › congelationis”. Page updated September 29, 2026.
About coding Congelationis dermatitis
The ICD-10-CM code for Congelationis dermatitis is T69.1 (Chilblains).
Within T69 (other effects of reduced temperature), T69.1 is specifically for Chilblains. Related codes cover Immersion hand and foot (T69.0), other specified effects of reduced temperature (T69.8) and effect of reduced temperature, unspecified (T69.9).
Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.
Use an additional code to identify source of exposure: Exposure to excessive cold of man-made origin (W93) and Exposure to excessive cold of natural origin (X31).