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ICD-10-CM Code T66.XXXA
Radiation sickness, unspecified, initial encounter

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

T66.XXXA is a billable ICD code used to specify a diagnosis of radiation sickness, unspecified, initial encounter. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code T66 is used to code Acute radiation syndrome

Acute radiation syndrome (ARS), also known as radiation poisoning, radiation sickness or radiation toxicity, is a collection of health effects which present within 24 hours of exposure to high amounts of ionizing radiation. The radiation causes cellular degradation due to damage to DNA and other key molecular structures within the cells in various tissues; this destruction, particularly as it affects ability of cells to divide normally, in turn causes the symptoms. The symptoms can begin within one or two hours and may last for several months. The terms refer to acute medical problems rather than ones that develop after a prolonged period.

Specialty: Toxicology
MeSH Code: D011832
ICD 9 Code: 990

A Japanese girl presenting the effects of radiation sickness.

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.

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Effects of radiation, unspecified (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 T66.XXXA and a single ICD9 code, 990 is an approximate match for comparison and conversion purposes.


Parent Code: T66 - Radiation sickness, unspecified

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/T66XXXA