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ICD-10-CM Code T88.3XXA
Malignant hyperthermia due to anesthesia, initial encounter

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

T88.3XXA is a billable ICD code used to specify a diagnosis of malignant hyperthermia due to anesthesia, initial encounter. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code T883 is used to code Malignant hyperthermia

Malignant hyperthermia (MH) or malignant hyperpyrexia is a rare life-threatening condition that is usually triggered by exposure to certain drugs used for general anesthesia — specifically the volatile anesthetic agents and succinylcholine, a neuromuscular blocking agent. In susceptible individuals, these drugs can induce a drastic and uncontrolled increase in oxidative metabolism in skeletal muscle, which overwhelms the body's capacity to supply oxygen, remove carbon dioxide, and regulate body temperature, eventually leading to circulatory collapse and death if not immediately treated.

Specialty: Anesthesiology, Critical Care Medicine
MeSH Code: D008305
ICD 9 Code: 995.86

Abnormalities in the ryanodine receptor 1 gene are commonly detected in people who have experienced an episode of malignant hyperthermia, and may be used to determine the risk of episodes in their relatives

Source: Wikipedia

MS-DRG Mapping

  • DRG Group #922-923 - Other injury, poisoning and toxic effect diagnoses with MCC.
  • DRG Group #922-923 - Other injury, poisoning and toxic effect diagnoses without MCC.


Malignant hyperthermia (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code T88.3XXA and a single ICD9 code, 995.86 is an approximate match for comparison and conversion purposes.

Parent Code: T88.3 - Malignant hyperthermia due to anesthesia

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/T883XXA