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 14764-5: Glucose 3 Hr post 100 g glucose PO [Moles/Vol]

Name: LOINC Code 14764-5: Glucose 3 Hr post 100 g glucose PO [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

14764-5 is a LOINC code used to identify Glucose 3 Hr post 100 g glucose PO [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 Glucose^3H post 100 g glucose PO. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 25 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^3H post 100 g glucose PO. 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

Glucose [Moles/volume] in Serum or Plasma --3 hours post 100 g glucose PO
Glucose^3H post 100 g glucose PO
3h p 100 g Glc PO; After; CHEMISTRY.CHALLENGE TESTING; Endocrine; Endocrinology; Glu; Glu tol; Gluc; Glucose tolerance; Glucoseur; GTT; Level; p 100 g Glc PO; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Glucose 3 Hr post 100 g glucose PO [Moles/Vol] (14764-5)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Glucose 3 Hr post 100 g glucose PO [Moles/Vol]Glucose [Moles/volume] in Serum or Plasma --3 hours post 100 g glucose POGlucose 3h p 100 g Glc PO SerPl-sCncGlucose^3H post 100 g glucose POCHALGlucose 3 hr after 100 g glucose by mouth, BloodSCnc

Frequently asked questions

Code details

Code14764-5

SystemLOINC

Display nameGlucose 3 Hr post 100 g glucose PO [Moles/Vol]

DescriptionGlucose^3H post 100 g glucose PO

Short nameGlucose 3h p 100 g Glc PO SerPl-sCnc

ComponentGlucose^3H post 100 g glucose PO

PropertySCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHAL

Example unitsmmol/L

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0k

Last changed2.73

Consumer names

Glucose 3 hr after 100 g glucose by mouth, Blood

Part names

Glucose^3H post 100 g glucose POSCncPtSer/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.