991.5 CHILBLAINS


Code Information

Diagnosis Code: 991.5

Short Description: Chilblains

Long Description: Chilblains

Code Classification:

  • Injury and poisoning (800–999)
    • Other and unspecified effects of external causes (990-995)
      • 991 Effects of reduced temperature
        • 991.5 Chilblains

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 991.5 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Chilblains 991.5
    • lupus 991.5
  • Dermatitis (allergic) (contact) (occupational) (venenata) 692.9
    • congelationis 991.5
  • Effect, adverse NEC
    • cold (temperature) (weather) 991.9
      • chilblains 991.5
  • Erythema, erythematous (generalized) 695.9
    • pernio 991.5
  • Pernio, perniosis 991.5

Crosswalk Information

The code 991.5 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
991.5 Right Arrow T69.1XXA Chilblains, initial encounter
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
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
991.6 Hypothermia
991.8 Other specified effects of reduced temperature
991.9 Unspecified effect of reduced temperature


This page was last updated on: 10/1/2014