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LOINC Code 56124-1: Glucose 1 Hr post meal (U) [Mass/Vol]

56124-1 is a LOINC code used to identify Glucose 1 Hr post meal (U) [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 meal. It is commonly used with the system or sample type Urine.

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^1H post meal. It is commonly used with the system or sample type Urine.

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 Urine --1 hour post meal
  • Glucose^1H post meal
  • 1 hour; 1.0Hr; 1h p meal; 60 min; 60 minutes; 60M; 60min; After; CHEMISTRY.CHALLENGE TESTING; Glu; Glu tol; Gluc; Glucose tolerance; Glucoseur; GTT; Level; Mass concentration; p meal; PC; Point in time; Post Pran; Post prandial; PP; PST; QNT; Quan; Quant; Quantitative; Random; UA; UR; Urn

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 meal (U) [Mass/Vol]Glucose [Mass/volume] in Urine --1 hour post mealGlucose 1h p meal Ur-mCncGlucose^1H post mealCHALGlucose 1 hr after Meal, UrineMCnc

Frequently asked questions

Code details

Code56124-1
SystemLOINC
Display nameGlucose 1 Hr post meal (U) [Mass/Vol]
DescriptionGlucose^1H post meal
Short nameGlucose 1h p meal Ur-mCnc
ComponentGlucose^1H post meal
PropertyMCnc
TimingPt
System (specimen)Urine
ScaleQn
ClassCHAL
Example unitsmg/dL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.70

Consumer names

Glucose 1 hr after Meal, Urine

Part names

Glucose^1H post mealMCncPtUrineQnMass ConcentrationPoint in time (spot)

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.

LOINC Code 56124-1 | HealthAssure