LOINCActiveObservation

LOINC Code 98149-8: Body temperature - 12 hour mean Surface

98149-8 is a LOINC code used to identify Body temperature - 12 hour mean Surface 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 Surface.

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 Surface.

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
  • Order vs observation: Observation

What it does not mean

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

Key facts

  • Body temperature - 12 hour mean Surface
  • Body temperature
  • 12 hours; 12HR; Average; Avg; Bdy temp; bod; Bodies; BODY TEMPERATURE.MOLEC; QNT; Quan; Quant; Quantitative; Surf; 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

Body temperature - 12 hour mean SurfaceBdy temp 12h Mean SurfaceBody temperatureBDYTMP.MOLECTemp12H^meanSurface

Frequently asked questions

Code details

Code98149-8
SystemLOINC
Display nameBody temperature - 12 hour mean Surface
DescriptionBody temperature
Short nameBdy temp 12h Mean Surface
ComponentBody temperature
PropertyTemp
Timing12H^mean
System (specimen)Surface
ScaleQn
ClassBDYTMP.MOLEC
Example unitsdeg C; deg F
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.71
Last changed2.71

Part names

Body temperatureTemp12H^meanSurfaceQnTemperature

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 98149-8 | HealthAssure