This value set includes codes based on the following rules:

• Include these codes as defined in http://dicom.nema.org/resources/ontology/DCM

  Code	Display	Definition
  127253	Heated water blanket	A blanket that uses circulating hot water to maintain the body temperature of a subject.
  127254	Pre-heated pad	A pad that is pre-heated before use that is used to maintain the body temperature of a subject (e.g., pre-heated in a microwave or autoclave).
  127255	Unheated	No mechanism is used to maintain the body temperature of a subject.
  127250	Forced air heater	A method or device that uses forced hot air to maintain the body temperature of a subject.
  127251	Heated imaging device	An imaging device that contains an integrated method of temperature regulation for maintaining the body temperature of the imaging subject.
  127252	Heated patient support	A device that physically supports the patient and contains an integrated method of temperature regulation for maintaining the body temperature of the imaging subject (e.g., the carrier used for imaging a small animal such as a mouse).

• Include these codes as defined in http://snomed.info/sct

  Code	Display
  39790008	Non-electric heating pad
  420572009	Forced air warming blanket
  27812008	Electric heating pad
  71384000	Warmer device
  468192005	Air heating pad
  79811009	Electric blanket
  421335007	Warming blanket

• Include these codes as defined in http://www.nlm.nih.gov/research/umls

  Code	Display
  C0181514	Heat lamp