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 73827-8: Gamma hydroxybutyrate (S/P/Bld) [Mass/Vol]

Name: LOINC Code 73827-8: Gamma hydroxybutyrate (S/P/Bld) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:53.971Z

73827-8 is a LOINC code used to identify Gamma hydroxybutyrate (S/P/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 Gamma hydroxybutyrate. It is commonly used with the system or sample type Ser/Plas/Bld.

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

Gamma hydroxybutyrate [Mass/volume] in Serum, Plasma or Blood
Gamma hydroxybutyrate
4-hydroxybutyrate; 4-hydroxybutyric acid; Blood; DRUG/TOXICOLOGY; Drugs; Gamma hydroxy butyrate; Gamma-hydroxybutyrate; Gamma-OH; GBH; Georgia home boy; GHb; G-OH-Butyr; Goop; Hydroxybutyric acid; Level; Liquidx; Mass concentration; Pl; PlasBld; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; SerPlBld; Serum; Serum or plasma; Serum, plasma or whole blood; SR; 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

Gamma hydroxybutyrate (S/P/Bld) [Mass/Vol]Gamma hydroxybutyrate [Mass/volume] in Serum, Plasma or BloodG-OH-Butyr SerPlBld-mCncGamma hydroxybutyrateDRUG/TOXGamma hydroxybutyrate, BloodMCnc

Frequently asked questions

Code details

Code73827-8

SystemLOINC

Display nameGamma hydroxybutyrate (S/P/Bld) [Mass/Vol]

DescriptionGamma hydroxybutyrate

Short nameG-OH-Butyr SerPlBld-mCnc

ComponentGamma hydroxybutyrate

PropertyMCnc

TimingPt

System (specimen)Ser/Plas/Bld

ScaleQn

ClassDRUG/TOX

Example unitsng/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.44

Last changed2.73

Consumer names

Gamma hydroxybutyrate, Blood

Part names

Gamma hydroxybutyrateMCncPtSer/Plas/BldQnMass ConcentrationPoint in time (spot)Serum, Plasma or 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.