Protocol - Body Temperature - Oral Thermometers

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This protocol provides a description for obtaining body temperature by oral thermometers.

Specific Instructions

The Sickle Cell Disease Cardiovascular, Pulmonary, and Renal Working Group recommends body temperature be obtained by either oral or tympanic (i.e. ear) measurements, and that once selected, the same body site be used over the course of a study. To aid comparability and accuracy, the Working Group also recommends the investigator record the make and manufacturer of the thermometer, and follow their guidelines regarding thermometer use, calibration, storage, and maintenance.




The following is a summary description for obtaining body temperature by oral measurement.

Oral Body Temperature:

• There are many different types of oral thermometers that are appropriate for this protocol. Investigators should follow the manufacturer’s recommendations for calibration and measurement.

• Place the thermometer probe in the sublingual pocket for the full measuring period. This period is determined by the amount of time needed for the probe’s temperature to equilibrate with the contact area and varies depending upon the type of thermometer used. For example, a few seconds is needed for an electronic contact thermometer in predictive mode and one minute is required for a chemical phase change thermometer.

• Read the thermometer and record the temperature.

Normal Body Temperature:


Degrees Fahrenheit

Degrees Celsius


96.8 to 99.7

36.0 to 37.6

Personnel and Training Required

Health care professionals trained in the operation of the selected thermometer.

Equipment Needs

Oral thermometer

Requirement CategoryRequired
Major equipment No
Specialized training No
Specialized requirements for biospecimen collection No
Average time of greater than 15 minutes in an unaffected individual No
Mode of Administration

Physical Measurement


Infant, Toddler, Child, Adolescent, Adult, Senior, Pregnancy


All ages

Selection Rationale

The Sickle Cell Disease Cardiovascular, Pulmonary, and Renal Working Group selected an overall description of obtaining body temperature as the protocol because there are multiple body sites which are routinely used in clinical and research practices to obtain temperature. The selected description is comprehensive and provides details on how to use various thermometers, factors which affect accuracy, and the importance of user training.



caDSR Form PhenX PX810102 - Body Temperature Oral Thermometers 6251971 caDSR Form
Derived Variables


Process and Review

Not applicable.

Protocol Name from Source

Davie, A., et al. Best practice in the measureement of body temperature. NURS STAND, 2010


Davie, A., and Amoore, J. (2010). Best practice in the measurement of body temperature. Nursing Standard. 24, 42, 42-49.

General References

McCallum, L., and Higgins, D. (2012). Measuring body temperature. Nursing Times; 108: 45, 20-22.

Knies, R.C. Section Editor. Temperature Measurement in Acute Care: The Who, What, Where, When, Why, and How? Research Applied to Clinical Practice. Emergency Nursing World enw.org/Research-Thermometry.htm

Protocol ID


Export Variables
Variable Name Variable IDVariable DescriptiondbGaP Mapping
PX810102010000 Was the thermometer calibrated and used more
under manufacturer's recommendations? show less
PX810102020000 What is the reading from the thermometer? In more
Fahrenheit show less
Cardiovascular, Pulmonary, and Renal
Measure Name

Body Temperature

Release Date

July 30, 2015


A measurement of the heat in an individual’s body, which is reported in either degrees Fahrenheit or Celsius.


Body temperature is associated with the presence or absence of various illnesses and infections and having an abnormal temperature can be an indication for additional medical testing.


Body temperature, fever, hyperthermia, clinical thermometry, thermometer, vital signs, infection, sickle cell disease, SCD, "Cardiovascular, Pulmonary, and Renal"

Measure Protocols
Protocol ID Protocol Name
810101 Body Temperature - Tympanic Thermometers
810102 Body Temperature - Oral Thermometers

There are no publications listed for this protocol.