Specific code 2014 ICD-9-CM Diagnosis Code 995.86
Malignant hyperthermia
  • Billable Code
  • ICD-9-CM 995.86 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 995.86 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Clinical Information
  • A rare disorder characterized by rapid rise of the body temperature, accompanied by rhabdomyolysis and, if untreated, by collapse and death. It occurs in susceptible individuals who receive certain drugs for general anesthesia, gas anesthetics, or succinylcholine. It may be inherited in an autosomal dominant pattern.
  • Rapid and excessive rise of temperature accompanied by muscular rigidity following general anesthesia.
  • Usually inherited reaction to general anesthesia manifested as a sudden, rapid rise in temperature, hypermetabolism, and skeletal muscle rigidity; mutation is in the calcium release channel of skeletal muscle sarcoplasmic reticulum.
Applies To
  • Malignant hyperpyrexia due to anesthesia
Convert to ICD-10-CM: 995.86 converts approximately to:
  • 2014 ICD-10-CM T88.3XXA Malignant hyperthermia due to anesthesia, initial encounter
ICD-9-CM Volume 2 Index entries containing back-references to 995.86:
  • Hyperpyrexia 780.60
    • malignant, due to anesthetic 995.86
  • Hyperthermia (of unknown origin) (see also Pyrexia) 780.60
    • malignant (due to anesthesia) 995.86
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 995.86 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.