LOINC

LOINC Code 1789-7: Alpha aminobutyrate (S) [Mass/Vol]

1789-7 is a LOINC code used to identify Alpha aminobutyrate (S) [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 Alpha aminobutyrate. It is commonly used with the system or sample type Ser.

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

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: DEPRECATED

What it does not mean

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

Key facts

  • Deprecated Alpha aminobutyrate [Mass/volume] in Serum
  • 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; Mass concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR

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 (S) [Mass/Vol]Deprecated Alpha aminobutyrate [Mass/volume] in SerumDeprecated A-Aminobutyr Ser-mCncAlpha aminobutyrateCHEMAlpha aminobutyrate, BloodMCnc

Frequently asked questions

Code details

Code1789-7
SystemLOINC
Display nameAlpha aminobutyrate (S) [Mass/Vol]
DescriptionAlpha aminobutyrate
Short nameDeprecated A-Aminobutyr Ser-mCnc
ComponentAlpha aminobutyrate
PropertyMCnc
TimingPt
System (specimen)Ser
ScaleQn
ClassCHEM
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.36

Consumer names

Alpha aminobutyrate, Blood

Part names

Alpha aminobutyrateMCncPtSerQnMass ConcentrationPoint in time (spot)Serum

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 1789-7 | HealthAssure