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 68970-3: Gamma hydroxybutyrate (Specimen) [Moles/Vol]

Name: LOINC Code 68970-3: Gamma hydroxybutyrate (Specimen) [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

68970-3 is a LOINC code used to identify Gamma hydroxybutyrate (Specimen) [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 Gamma hydroxybutyrate. It is commonly used with the system or sample type XXX.

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 XXX.

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 [Moles/volume] in Specimen
Gamma hydroxybutyrate
specimen type is used for unknown substances, or liquids
4-hydroxybutyrate; 4-hydroxybutyric acid; Chemistry; Gamma hydroxy butyrate; Gamma-hydroxybutyrate; Gamma-OH; GBH; Georgia home boy; GHb; G-OH-Butyr; Goop; Hydroxybutyric acid; Level; Liquidx; Misc; Miscellaneous; Other; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec; Substance Concentration; To be specified in another part of the message; Unspecified

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 (Specimen) [Moles/Vol] (68970-3)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Gamma hydroxybutyrate (Specimen) [Moles/Vol]Gamma hydroxybutyrate [Moles/volume] in SpecimenG-OH-Butyr Spec-sCncGamma hydroxybutyrateCHEMGamma hydroxybutyrate, SpecimenSCnc

Frequently asked questions

Code details

Code68970-3

SystemLOINC

Display nameGamma hydroxybutyrate (Specimen) [Moles/Vol]

DescriptionGamma hydroxybutyrate

Short nameG-OH-Butyr Spec-sCnc

ComponentGamma hydroxybutyrate

PropertySCnc

TimingPt

System (specimen)XXX

ScaleQn

ClassCHEM

Example unitsumol/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.38

Last changed2.70

Consumer names

Gamma hydroxybutyrate, Specimen

Part names

Gamma hydroxybutyrateSCncPtXXXQnSubstance 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.