LOINCActiveObservation

LOINC Code 79604-5: S-beta aminoisobutyrate [Moles/Vol]

79604-5 is a LOINC code used to identify S-beta aminoisobutyrate [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 S-beta aminoisobutyrate. It is commonly used with the system or sample type Ser/Plas.

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 S-beta aminoisobutyrate. It is commonly used with the system or sample type Ser/Plas.

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

  • S-beta aminoisobutyrate [Moles/volume] in Serum or Plasma
  • S-beta aminoisobutyrate
  • 3-aminoisobutyrate; 3-aminoisobutyric acid; B; B-AIB; Chemistry; Esoteric; Level; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; S prime; S-B-AIB; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; 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

S-beta aminoisobutyrate [Moles/Vol]S-beta aminoisobutyrate [Moles/volume] in Serum or PlasmaS-B-AIB SerPl-sCncS-beta aminoisobutyrateCHEMS-beta aminoisobutyrate, BloodSCnc

Frequently asked questions

Code details

Code79604-5
SystemLOINC
Display nameS-beta aminoisobutyrate [Moles/Vol]
DescriptionS-beta aminoisobutyrate
Short nameS-B-AIB SerPl-sCnc
ComponentS-beta aminoisobutyrate
PropertySCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHEM
Example unitsumol/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.56

Consumer names

S-beta aminoisobutyrate, Blood

Part names

S-beta aminoisobutyrateSCncPtSer/PlasQnSubstance ConcentrationPoint in time (spot)Serum or Plasma

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 79604-5 | HealthAssure