Specific code 2014 ICD-9-CM Diagnosis Code 991.5
Chilblains
  • Billable Code
  • ICD-9-CM 991.5 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 991.5 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Clinical Information
  • A rare condition characterized by skin inflammation, blister formation, swelling and ulcerations in the extremities. It occurs in persons exposed to cold temperatures.
  • Recurrent localized itching, swelling and painful erythema on the fingers, toes or ears, produced by exposure to cold. It is also called pernio.
Applies To
  • Erythema pernio
  • Perniosis
Convert to ICD-10-CM: 991.5 converts approximately to:
  • 2014 ICD-10-CM T69.1XXA Chilblains, initial encounter
ICD-9-CM Volume 2 Index entries containing back-references to 991.5:
  • 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
      • frostbite - see Frostbite
      • specified effect NEC 991.8
  • Erythema, erythematous (generalized) 695.9
    • pernio 991.5
  • Pernio, perniosis 991.5
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 991.5 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.