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 1502-4: Glucose 1 Hr post 100 g glucose PO (S) [Mass/Vol]

Name: LOINC Code 1502-4: Glucose 1 Hr post 100 g glucose PO (S) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:25.112Z

1502-4 is a LOINC code used to identify Glucose 1 Hr post 100 g glucose PO (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 Glucose^1H post 100 g glucose PO. 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 Glucose^1H post 100 g glucose PO. 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 Glucose [Mass/volume] in Serum or Plasma --1 hour post 100 g glucose PO
Glucose^1H post 100 g glucose PO
1 hour; 1.0Hr; 1h p 100 g Glc PO; 60 min; 60 minutes; 60M; 60min; After; CHEMISTRY.CHALLENGE TESTING; Glu; Glu tol; Gluc; Glucose tolerance; Glucoseur; GTT; Level; Mass concentration; p 100 g Glc PO; Point in time; PST; 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

Glucose 1 Hr post 100 g glucose PO (S) [Mass/Vol]Deprecated Glucose [Mass/volume] in Serum or Plasma --1 hour post 100 g glucose PODeprecated Glucose 1H p 100 g Glc PO SerGlucose^1H post 100 g glucose POCHALGlucose 1 hr after 100 g glucose by mouth, BloodMCnc

Frequently asked questions

Code details

Code1502-4

SystemLOINC

Display nameGlucose 1 Hr post 100 g glucose PO (S) [Mass/Vol]

DescriptionGlucose^1H post 100 g glucose PO

Short nameDeprecated Glucose 1H p 100 g Glc PO Ser

ComponentGlucose^1H post 100 g glucose PO

PropertyMCnc

TimingPt

System (specimen)Ser

ScaleQn

ClassCHAL

StatusDEPRECATED

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.36

Consumer names

Glucose 1 hr after 100 g glucose by mouth, Blood

Part names

Glucose^1H post 100 g glucose POMCncPtSerQnMass 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.