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 77677-3: Glucose 2 Hr post meal (S/P/Bld) [Moles/Vol]

Name: LOINC Code 77677-3: Glucose 2 Hr post meal (S/P/Bld) [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:58.754Z

77677-3 is a LOINC code used to identify Glucose 2 Hr post meal (S/P/Bld) [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^2H post meal. It is commonly used with the system or sample type Ser/Plas/Bld.

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^2H post meal. It is commonly used with the system or sample type Ser/Plas/Bld.

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, Plasma or Blood --2 hours post meal
Glucose^2H post meal
120 min; 120 minutes; 120min; 2 hours; 2h p meal; After; Blood; CHEMISTRY.CHALLENGE TESTING; Endocrine; Endocrinology; Glu; Glu tol; Gluc; Glucose tolerance; Glucoseur; GTT; Level; LimitedUseLabOrders; p meal; PC; Pl; PlasBld; Plasma; Plsm; Point in time; Post Pran; Post prandial; PP; PST; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; SerPlBld; Serum; Serum or plasma; Serum, plasma or whole blood; SR; Substance concentration; WB; Whole blood

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 2 Hr post meal (S/P/Bld) [Moles/Vol]Glucose [Moles/volume] in Serum, Plasma or Blood --2 hours post mealGlucose 2h p meal SerPlBld-sCncGlucose^2H post mealCHALGlucose 2 hr after Meal, BloodSCnc

Frequently asked questions

Code details

Code77677-3

SystemLOINC

Display nameGlucose 2 Hr post meal (S/P/Bld) [Moles/Vol]

DescriptionGlucose^2H post meal

Short nameGlucose 2h p meal SerPlBld-sCnc

ComponentGlucose^2H post meal

PropertySCnc

TimingPt

System (specimen)Ser/Plas/Bld

ScaleQn

ClassCHAL

Example unitsmmol/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.52

Last changed2.68

Consumer names

Glucose 2 hr after Meal, Blood

Part names

Glucose^2H post mealSCncPtSer/Plas/BldQnSubstance ConcentrationPoint in time (spot)Serum, Plasma or Blood

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.