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.

LOINCActiveObservation

LOINC Code 79580-7: R- and S-beta aminoisobutyrate and D- and L-serine pattern Nar (U) [Interp]

Name: LOINC Code 79580-7: R- and S-beta aminoisobutyrate and D- and L-serine pattern Nar (U) [Interp]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:01.837Z

79580-7 is a LOINC code used to identify R- and S-beta aminoisobutyrate and D- and L-serine pattern Nar (U) [Interp] 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 R- & S-beta aminoisobutyrate & D- & L-serine pattern. It is commonly used with the system or sample type Urine.

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 R- & S-beta aminoisobutyrate & D- & L-serine pattern. 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

R- and S-beta aminoisobutyrate and D- and L-serine pattern [Interpretation] in Urine Narrative
R- & S-beta aminoisobutyrate & D- & L-serine pattern
3-aminoisobutyrate; 3-aminoisobutyric acid; B; B-AIB; Chemistry; Dextro; Esoteric; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Left; Levo; Levo-serine; Narrative; Point in time; R- + S-BAIB + D- + L-ser patt; R prime; Random; Report; Right; S prime; S-B-AIB; Ser; 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

R- and S-beta aminoisobutyrate and D- and L-serine pattern Nar (U) [Interp]R- and S-beta aminoisobutyrate and D- and L-serine pattern [Interpretation] in Urine NarrativeR- + S-BAIB + D- + L-ser patt Ur-ImpR- & S-beta aminoisobutyrate & D- & L-serine patternCHEMInterpretation of R- and S-beta aminoisobutyrate and D- and L-serine pattern test result, UrineImp

Frequently asked questions

Code details

Code79580-7

SystemLOINC

Display nameR- and S-beta aminoisobutyrate and D- and L-serine pattern Nar (U) [Interp]

DescriptionR- & S-beta aminoisobutyrate & D- & L-serine pattern

Short nameR- + S-BAIB + D- + L-ser patt Ur-Imp

ComponentR- & S-beta aminoisobutyrate & D- & L-serine pattern

PropertyImp

TimingPt

System (specimen)Urine

ScaleNar

ClassCHEM

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.54

Last changed2.56

Consumer names

Interpretation of R- and S-beta aminoisobutyrate and D- and L-serine pattern test result, Urine

Part names

R- & S-beta aminoisobutyrate & D- & L-serine patternImpPtUrineNarR- and S-beta aminoisobutyrate and D- and L-serine patternImpression/interpretation of studyPoint 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.