HealthAssure
HealthAssureGood Life
LOINCActiveBoth

LOINC Code 50879-6: Methyl ethyl ketone (Body fld) [Moles/Vol]

50879-6 is a LOINC code used to identify Methyl ethyl ketone (Body fld) [Moles/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 Methyl ethyl ketone. It is commonly used with the system or sample type Body fld.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Methyl ethyl ketone. It is commonly used with the system or sample type Body fld.

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

  • Methyl ethyl ketone [Moles/volume] in Body fluid
  • Methyl ethyl ketone
  • 2-Butanone; 3-butanone; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Butanone; DRUG/TOXICOLOGY; Drugs; Ethyl methyl ketone; Fl; Fld; FLU; Fluid; Level; MEK; Methyl acetone; Methylethylketone; Point in time; QNT; Quan; Quant; Quantitative; Random; Substance concentration

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

Methyl ethyl ketone (Body fld) [Moles/Vol]Methyl ethyl ketone [Moles/volume] in Body fluidMEK Fld-sCncMethyl ethyl ketoneDRUG/TOXMethyl ethyl ketone, Body fluidSCnc

Frequently asked questions

Code details

Code50879-6
SystemLOINC
Display nameMethyl ethyl ketone (Body fld) [Moles/Vol]
DescriptionMethyl ethyl ketone
Short nameMEK Fld-sCnc
ComponentMethyl ethyl ketone
PropertySCnc
TimingPt
System (specimen)Body fld
ScaleQn
ClassDRUG/TOX
Example unitsmmol/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.70

Consumer names

Methyl ethyl ketone, Body fluid

Part names

Methyl ethyl ketoneSCncPtBody fldQnSubstance ConcentrationPoint in time (spot)Body fluid

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.