LOINCActiveBoth

LOINC Code 13011-2: Methyl ethyl ketone (Bld) [Mass/Vol]

13011-2 is a LOINC code used to identify Methyl ethyl ketone (Bld) [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 Methyl ethyl ketone. It is commonly used with the system or sample type Bld.

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 Bld.

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 [Mass/volume] in Blood
  • Methyl ethyl ketone
  • 2-Butanone; 3-butanone; Blood; Butanone; DRUG/TOXICOLOGY; Drugs; Ethyl methyl ketone; Level; Mass concentration; MEK; Methyl acetone; Methylethylketone; Point in time; QNT; Quan; Quant; Quantitative; Random; WB; Whole blood

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 (Bld) [Mass/Vol]Methyl ethyl ketone [Mass/volume] in BloodMEK Bld-mCncMethyl ethyl ketoneDRUG/TOXMethyl ethyl ketone, BloodMCnc

Frequently asked questions

Code details

Code13011-2
SystemLOINC
Display nameMethyl ethyl ketone (Bld) [Mass/Vol]
DescriptionMethyl ethyl ketone
Short nameMEK Bld-mCnc
ComponentMethyl ethyl ketone
PropertyMCnc
TimingPt
System (specimen)Bld
ScaleQn
ClassDRUG/TOX
Example unitsug/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.73

Consumer names

Methyl ethyl ketone, Blood

Part names

Methyl ethyl ketoneMCncPtBldQnMass ConcentrationPoint in time (spot)Blood

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 13011-2 | HealthAssure