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.

LOINC

LOINC Code 28611-2: Amino beta guanidinopropionate/Creatinine (U) [Ratio]

Name: LOINC Code 28611-2: Amino beta guanidinopropionate/Creatinine (U) [Ratio]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:15.023Z

28611-2 is a LOINC code used to identify Amino beta guanidinopropionate/Creatinine (U) [Ratio] 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 Amino beta guanidinopropionate/Creatinine. 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 Amino beta guanidinopropionate/Creatinine. 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: DEPRECATED

What it does not mean

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

Key facts

Deprecated Amino beta guanidinopropionate/Creatinine [Ratio] in Urine
Amino beta guanidinopropionate/Creatinine
AB-Gp; Amino beta guanidinopropionic acid; Amino betaguanidinopropionate; Aminobetaguanidinopropionate; B; Chemistry; CR; Crea; Creat; Point in time; QNT; Quan; Quant; Quantitative; Random; Ratios; Rto; UA; UCr; 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

Amino beta guanidinopropionate/Creatinine (U) [Ratio]Deprecated Amino beta guanidinopropionate/Creatinine [Ratio] in UrineDeprecated AB-Gp/creat Ur-RtoAmino beta guanidinopropionate/CreatinineCHEMAmino beta guanidinopropionate/Creatinine, UrineRatio

Frequently asked questions

Code details

Code28611-2

SystemLOINC

Display nameAmino beta guanidinopropionate/Creatinine (U) [Ratio]

DescriptionAmino beta guanidinopropionate/Creatinine

Short nameDeprecated AB-Gp/creat Ur-Rto

ComponentAmino beta guanidinopropionate/Creatinine

PropertyRatio

TimingPt

System (specimen)Urine

ScaleQn

ClassCHEM

Example unitsumol/g creatinine

StatusDEPRECATED

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.00

Last changed2.70

Consumer names

Amino beta guanidinopropionate/Creatinine, Urine

Part names

Amino beta guanidinopropionate/CreatinineRatioPtUrineQnPoint 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.