LOINCActive

LOINC Code 8311-3: Body temperature 1 hour maximum

8311-3 is a LOINC code used to identify Body temperature 1 hour maximum 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 XXX.

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 XXX.

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

  • Body temperature 1 hour maximum
  • Body temperature
  • 1 hour; 1.0Hr; 1HR; 60 min; 60 minutes; 60M; 60min; Bdy temp; bod; Bodies; BODY TEMPERATURE.TIMED.MOLEC; Maximum; Misc; Miscellaneous; Other; QNT; Quan; Quant; Quantitative; Spec; Temp; Temperature; To be specified in another part of the message; Unspecified

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

Body temperature 1 hour maximumBdy temp 1h MaxBody temperatureBDYTMP.TIMED.MOLECTemp1H^maxXXX

Frequently asked questions

Code details

Code8311-3
SystemLOINC
Display nameBody temperature 1 hour maximum
DescriptionBody temperature
Short nameBdy temp 1h Max
ComponentBody temperature
PropertyTemp
Timing1H^max
System (specimen)XXX
ScaleQn
ClassBDYTMP.TIMED.MOLEC
Example unitsdeg F; deg C
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(2)
Last changed2.69

Part names

Body temperatureTemp1H^maxXXXQnTemperature

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 8311-3 | HealthAssure