LOINCActiveObservation

LOINC Code 28068-5: Beta aminobutyrate (Amn fld) [Moles/Vol]

28068-5 is a LOINC code used to identify Beta aminobutyrate (Amn fld) [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 Beta aminobutyrate. It is commonly used with the system or sample type Amnio fld.

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 Beta aminobutyrate. It is commonly used with the system or sample type Amnio fld.

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: Observation

What it does not mean

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

Key facts

  • Beta aminobutyrate [Moles/volume] in Amniotic fluid
  • Beta aminobutyrate
  • AF; Aminobutric; Aminobutyric; Amino-n-butyrate; Amn; Amn fl; Amnio; Amniotic flu; Amniotic fluid; B; B-Aminobutyr; Chemistry; Level; Point in time; QNT; Quan; Quant; Quantitative; Random; 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.

Common synonyms

Beta aminobutyrate (Amn fld) [Moles/Vol]Beta aminobutyrate [Moles/volume] in Amniotic fluidB-Aminobutyr Amn-sCncBeta aminobutyrateCHEMBeta aminobutyrate, Amniotic fluidSCnc

Frequently asked questions

Code details

Code28068-5
SystemLOINC
Display nameBeta aminobutyrate (Amn fld) [Moles/Vol]
DescriptionBeta aminobutyrate
Short nameB-Aminobutyr Amn-sCnc
ComponentBeta aminobutyrate
PropertySCnc
TimingPt
System (specimen)Amnio fld
ScaleQn
ClassCHEM
Example unitsumol/dL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.70

Consumer names

Beta aminobutyrate, Amniotic fluid

Part names

Beta aminobutyrateSCncPtAmnio fldQnSubstance ConcentrationPoint in time (spot)Amniotic 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.

LOINC Code 28068-5 | HealthAssure