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 46221-8: Glucose 2 hour specimen (Dial fld) [Moles/Vol]

Name: LOINC Code 46221-8: Glucose 2 hour specimen (Dial fld) [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:31.116Z

46221-8 is a LOINC code used to identify Glucose 2 hour specimen (Dial fld) [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 specimen. It is commonly used with the system or sample type Dial fld.

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 specimen. It is commonly used with the system or sample type Dial fld.

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 Dialysis fluid --2 hour specimen
Glucose^2H specimen
120 min; 120 minutes; 120min; 2 hours; Chemistry; Diaf; Dialysate; Dialysis fluid; Glu; Gluc; Glucoseur; Level; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec; 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 2 hour specimen (Dial fld) [Moles/Vol]Glucose [Moles/volume] in Dialysis fluid --2 hour specimenGlucose 2h spec Dial fld-sCncGlucose^2H specimenCHEMGlucose 2 Hour specimen, Dialysis fluidSCnc

Frequently asked questions

Code details

Code46221-8

SystemLOINC

Display nameGlucose 2 hour specimen (Dial fld) [Moles/Vol]

DescriptionGlucose^2H specimen

Short nameGlucose 2h spec Dial fld-sCnc

ComponentGlucose^2H specimen

PropertySCnc

TimingPt

System (specimen)Dial fld

ScaleQn

ClassCHEM

Example unitsmmol/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.19

Last changed2.70

Consumer names

Glucose 2 Hour specimen, Dialysis fluid

Part names

Glucose^2H specimenSCncPtDial fldQnSubstance ConcentrationPoint in time (spot)Dialysis fluid

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.