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.

LOINCActiveBoth

LOINC Code 74084-5: Glucose 15 Min post 50 g lactose PO [Moles/Vol]

Name: LOINC Code 74084-5: Glucose 15 Min post 50 g lactose PO [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:53.973Z

74084-5 is a LOINC code used to identify Glucose 15 Min post 50 g lactose 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^15M post 50 g lactose PO. 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 Glucose^15M post 50 g lactose 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: Both

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 --15 minutes post 50 g lactose PO
Glucose^15M post 50 g lactose PO
15M p 50 g Lac PO; After; CHEMISTRY.CHALLENGE TESTING; Endocrine; Endocrinology; Glu; Glu tol; Gluc; Glucose tolerance; Glucoseur; GTT; Level; LTT; p 50 g Lact 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.

Common synonyms

Glucose 15 Min post 50 g lactose PO [Moles/Vol]Glucose [Moles/volume] in Serum or Plasma --15 minutes post 50 g lactose POGlucose 15M p 50 g Lac PO SerPl-sCncGlucose^15M post 50 g lactose POCHALGlucose 15 min after 50 g lactose by mouth, BloodSCnc

Frequently asked questions

Code details

Code74084-5

SystemLOINC

Display nameGlucose 15 Min post 50 g lactose PO [Moles/Vol]

DescriptionGlucose^15M post 50 g lactose PO

Short nameGlucose 15M p 50 g Lac PO SerPl-sCnc

ComponentGlucose^15M post 50 g lactose PO

PropertySCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHAL

Example unitsmmol/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.46

Last changed2.46

Consumer names

Glucose 15 min after 50 g lactose by mouth, Blood

Part names

Glucose^15M post 50 g lactose 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.