LOINCActiveBoth

LOINC Code 38725-8: Styrene-7,8-Oxide (Air) [Mass/Vol]

38725-8 is a LOINC code used to identify Styrene-7,8-Oxide (Air) [Mass/Vol] 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 Styrene-7,8-Oxide. It is commonly used with the system or sample type Air.

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 Styrene-7,8-Oxide. It is commonly used with the system or sample type Air.

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: Both

What it does not mean

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

Key facts

  • Styrene-7,8-Oxide [Mass/volume] in Air
  • Styrene-7,8-Oxide
  • 1,2-epoxyethylbenzene; 1-phenyl-1,2-epoxyethane; 2-phenyloxirane; Alpha,beta-epoxystyrene; DRUG/TOXICOLOGY; Drugs; Epoxyethylbenzene; Epoxystyrene; Level; Mass concentration; Phenethylene oxide; Phenylethylene oxide; Phenyloxirane; Point in time; QNT; Quan; Quant; Quantitative; Random; Styrene epoxide; Styrene oxide; Styryl oxide

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

Styrene-7,8-Oxide (Air) [Mass/Vol]Styrene-7,8-Oxide [Mass/volume] in AirStyrene-7,8-oxide Air-mCncStyrene-7,8-OxideDRUG/TOXStyrene-7,8-Oxide, AirMCnc

Frequently asked questions

Code details

Code38725-8
SystemLOINC
Display nameStyrene-7,8-Oxide (Air) [Mass/Vol]
DescriptionStyrene-7,8-Oxide
Short nameStyrene-7,8-oxide Air-mCnc
ComponentStyrene-7,8-Oxide
PropertyMCnc
TimingPt
System (specimen)Air
ScaleQn
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.14
Last changed2.34

Consumer names

Styrene-7,8-Oxide, Air

Part names

Styrene-7,8-OxideMCncPtAirQnMass ConcentrationPoint 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 38725-8 | HealthAssure