LOINCActiveObservation

LOINC Code 27341-7: Alpha aminobutyrate (U) [Moles/Vol]

27341-7 is a LOINC code used to identify Alpha aminobutyrate (U) [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 aminobutyrate. It is commonly used with the system or sample type Urine.

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 aminobutyrate. It is commonly used with the system or sample type Urine.

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

  • Alpha aminobutyrate [Moles/volume] in Urine
  • Alpha aminobutyrate
  • 2-aminobutanoic acid; 2-aminobutyrate; 2-aminobutyric acid; A-Aminobutyr; AANB; A-ANB; Alfa; Alpha aminobutyric acid; Alpha amino-n-butyrate; Alpha amino-n-butyric acid; Aminobutric; Aminobutyric; Amino-n-butyrate; Chemistry; Level; Point in time; QNT; Quan; Quant; Quantitative; Random; Substance concentration; UA; UR; Urn

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

Alpha aminobutyrate (U) [Moles/Vol]Alpha aminobutyrate [Moles/volume] in UrineA-Aminobutyr Ur-sCncAlpha aminobutyrateCHEMAlpha aminobutyrate, UrineSCnc

Frequently asked questions

Code details

Code27341-7
SystemLOINC
Display nameAlpha aminobutyrate (U) [Moles/Vol]
DescriptionAlpha aminobutyrate
Short nameA-Aminobutyr Ur-sCnc
ComponentAlpha aminobutyrate
PropertySCnc
TimingPt
System (specimen)Urine
ScaleQn
ClassCHEM
Example unitsnmol/mL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.73

Consumer names

Alpha aminobutyrate, Urine

Part names

Alpha aminobutyrateSCncPtUrineQnSubstance 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.

LOINC Code 27341-7 | HealthAssure