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 69842-3: Alpha hydroxybutyrate (CSF) [Moles/Vol]

Name: LOINC Code 69842-3: Alpha hydroxybutyrate (CSF) [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

69842-3 is a LOINC code used to identify Alpha hydroxybutyrate (CSF) [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 Alpha hydroxybutyrate. It is commonly used with the system or sample type CSF.

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 Alpha hydroxybutyrate. It is commonly used with the system or sample type CSF.

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

Alpha hydroxybutyrate [Moles/volume] in Cerebral spinal fluid
Alpha hydroxybutyrate
2-hydroxybutyrate; 2-hydroxybutyric acid; Alfa; Alpha hydroxy butyrate; A-OH-Butyr; Cerebral spinal fluid; Cerebrospinal Fl; Chemistry; Hydroxybutyric acid; Level; Point in time; QNT; Quan; Quant; Quantitative; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Alpha hydroxybutyrate (CSF) [Moles/Vol] (69842-3)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Alpha hydroxybutyrate (CSF) [Moles/Vol]Alpha hydroxybutyrate [Moles/volume] in Cerebral spinal fluidA-OH-Butyr CSF-sCncAlpha hydroxybutyrateCHEMAlpha hydroxybutyrate, Spinal fluidSCnc

Frequently asked questions

Code details

Code69842-3

SystemLOINC

Display nameAlpha hydroxybutyrate (CSF) [Moles/Vol]

DescriptionAlpha hydroxybutyrate

Short nameA-OH-Butyr CSF-sCnc

ComponentAlpha hydroxybutyrate

PropertySCnc

TimingPt

System (specimen)CSF

ScaleQn

ClassCHEM

Example unitsumol/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.40

Last changed2.70

Consumer names

Alpha hydroxybutyrate, Spinal fluid

Part names

Alpha hydroxybutyrateSCncPtCSFQnSubstance ConcentrationPoint in time (spot)Cerebral spinal 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.