What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 43194-0: Gamma hydroxybutyrate Confirm [Mass/Vol]

Name: LOINC Code 43194-0: Gamma hydroxybutyrate Confirm [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

43194-0 is a LOINC code used to identify Gamma hydroxybutyrate Confirm [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 Gamma hydroxybutyrate. It is commonly used with the system or sample type Ser/Plas.

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 Gamma hydroxybutyrate. It is commonly used with the system or sample type Ser/Plas.

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
Method: Confirm

What it does not mean

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

Key facts

Gamma hydroxybutyrate [Mass/volume] in Serum or Plasma by Confirmatory method
Gamma hydroxybutyrate
4-hydroxybutyrate; 4-hydroxybutyric acid; Cfm; Chemistry; CNFR; CNFRM; Conf; Confirmation; Confirmatory; Gamma hydroxy butyrate; Gamma-hydroxybutyrate; Gamma-OH; GBH; GCMS; Georgia home boy; GHb; G-OH-Butyr; Goop; Hydroxybutyric acid; LC/MS/MS; Level; Liquidx; Mass concentration; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Gamma hydroxybutyrate Confirm [Mass/Vol] (43194-0)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Gamma hydroxybutyrate Confirm [Mass/Vol]Gamma hydroxybutyrate [Mass/volume] in Serum or Plasma by Confirmatory methodG-OH-Butyr SerPl Cfm-mCncGamma hydroxybutyrateCHEMGamma hydroxybutyrate, BloodMCnc

Frequently asked questions

Code details

Code43194-0

SystemLOINC

Display nameGamma hydroxybutyrate Confirm [Mass/Vol]

DescriptionGamma hydroxybutyrate

Short nameG-OH-Butyr SerPl Cfm-mCnc

ComponentGamma hydroxybutyrate

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

MethodConfirm

ClassCHEM

Example unitsug/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.73

Consumer names

Gamma hydroxybutyrate, Blood

Part names

Gamma hydroxybutyrateMCncPtSer/PlasQnConfirmMass ConcentrationPoint in time (spot)Serum or Plasma

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.