LOINCActiveObservation

LOINC Code 25670-1: Glucose 30 Min post dose glucose (U) [Mass/Vol]

25670-1 is a LOINC code used to identify Glucose 30 Min post dose glucose (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^30M post dose glucose. It is commonly used with the system or sample type Urine.

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^30M post dose glucose. 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 --30 minutes post dose glucose
  • Glucose^30M post dose glucose
  • 30M p Glc; After; CHEMISTRY.CHALLENGE TESTING; Endocrine; Endocrinology; Glu; Glu tol; Gluc; Glucose tolerance; Glucoseur; GTT; Level; Mass concentration; p dose; p Glc; Point in time; 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 30 Min post dose glucose (U) [Mass/Vol]Glucose [Mass/volume] in Urine --30 minutes post dose glucoseGlucose 30M p Glc Ur-mCncGlucose^30M post dose glucoseCHALGlucose 30 min after glucose, UrineMCnc

Frequently asked questions

Code details

Code25670-1
SystemLOINC
Display nameGlucose 30 Min post dose glucose (U) [Mass/Vol]
DescriptionGlucose^30M post dose glucose
Short nameGlucose 30M p Glc Ur-mCnc
ComponentGlucose^30M post dose glucose
PropertyMCnc
TimingPt
System (specimen)Urine
ScaleQn
ClassCHAL
Example unitsmg/dL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.73

Consumer names

Glucose 30 min after glucose, Urine

Part names

Glucose^30M post dose glucoseMCncPtUrineQnMass 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 25670-1 | HealthAssure