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 1552-9: Glucose pre 75 g glucose PO [Mass/Vol]

Name: LOINC Code 1552-9: Glucose pre 75 g glucose PO [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:25.873Z

1552-9 is a LOINC code used to identify Glucose pre 75 g glucose PO [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^pre 75 g glucose 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^pre 75 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 [Mass/volume] in Serum or Plasma --pre 75 g glucose PO
Glucose^pre 75 g glucose PO
75Gm; Before; CHEMISTRY.CHALLENGE TESTING; Endocrine; Endocrinology; Glu; Glu tol; Gluc; Glucose tolerance; Glucoseur; GTT; Level; Mass concentration; Pl; Plasma; Plsm; Point in time; pre 75 g Glc PO; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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 pre 75 g glucose PO [Mass/Vol]Glucose [Mass/volume] in Serum or Plasma --pre 75 g glucose POGlucose pre 75 g Glc PO SerPl-mCncGlucose^pre 75 g glucose POCHALGlucose before 75 g glucose by mouth, BloodMCnc

Frequently asked questions

Code details

Code1552-9

SystemLOINC

Display nameGlucose pre 75 g glucose PO [Mass/Vol]

DescriptionGlucose^pre 75 g glucose PO

Short nameGlucose pre 75 g Glc PO SerPl-mCnc

ComponentGlucose^pre 75 g glucose PO

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHAL

Example unitsmg/dL

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.73

Consumer names

Glucose before 75 g glucose by mouth, Blood

Part names

Glucose^pre 75 g glucose POMCncPtSer/PlasQnMass 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.