ICD-9-CM

991 Effects of reduced temperature
991.0: Frostbite of face
991.1: Frostbite of hand
991.2: Frostbite of foot
991.3: Frostbite of other and unspecified sites
991.4: Immersion foot Trench foot
991.5: Chilblains Erythema pernio Perniosis
991.6: Hypothermia Hypothermia (accidental) Excludes: hypothermia following anesthesia (995.89) hypothermia not associated with low environmental temperature (780.65)
991.8: Other specified effects of reduced temperature
991.9: Unspecified effect of reduced temperature Effects of freezing or excessive cold NOS

991 Effects of reduced temperature

Trench foot

Erythema pernio

Perniosis

Hypothermia (accidental)

Excludes:

hypothermia following anesthesia (995.89)

hypothermia not associated with low environmental temperature (780.65)

Effects of freezing or excessive cold NOS

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