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 24454-1: Collection duration (Gast fld)

Name: LOINC Code 24454-1: Collection duration (Gast fld)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:12.419Z

24454-1 is a LOINC code used to identify Collection duration (Gast fld) 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 Specimen collection. It is commonly used with the system or sample type Gast 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 Specimen collection. It is commonly used with the system or sample type Gast 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: Observation

What it does not mean

The code identifies the observation or test, not the actual result.

Key facts

Specimen collection [Time] of Gastric fluid
Specimen collection
Coll; Collect; Collected; GAST; Gastric contents; Gastric fluid; QNT; Quan; Quant; Quantitative; Spec

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

Collection duration (Gast fld)Specimen collection [Time] of Gastric fluidSpecimen collect Time GastSpecimen collectionSPECSpecimen collection, Stomach fluidTime

Frequently asked questions

Code details

Code24454-1

SystemLOINC

Display nameCollection duration (Gast fld)

DescriptionSpecimen collection

Short nameSpecimen collect Time Gast

ComponentSpecimen collection

PropertyTime

Timing*

System (specimen)Gast fld

ScaleQn

ClassSPEC

Example unitsmin

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0o

Last changed2.82

Consumer names

Specimen collection, Stomach fluid

Part names

Specimen collectionTime*Gast fldQnTime (e.g. seconds)Gastric 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.