LOINCActive

LOINC Code 8331-1: Oral temperature

8331-1 is a LOINC code used to identify Oral temperature in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Body temperature. It is commonly used with the system or sample type Mouth.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Body temperature. It is commonly used with the system or sample type Mouth.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Oral temperature
  • Body temperature
  • Bdy temp; bod; Bodies; BODY TEMPERATURE.MOLEC; Oral; Point in time; QNT; Quan; Quant; Quantitative; Random; Temp; Temperature

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Oral temperatureOral tempBody temperatureBDYTMP.MOLECMouth temperatureTempPt

Frequently asked questions

Code details

Code8331-1
SystemLOINC
Display nameOral temperature
DescriptionBody temperature
Short nameOral temp
ComponentBody temperature
PropertyTemp
TimingPt
System (specimen)Mouth
ScaleQn
ClassBDYTMP.MOLEC
Example unitsdeg F; deg C
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(2)
Last changed2.73

Consumer names

Mouth temperature

Part names

Body temperatureTempPtMouthQnTemperaturePoint in time (spot)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 8331-1 | HealthAssure