: Data-Field 30024

Data-Field 30024

Description:	Haemoglobin concentration acquisition route
Category:	Biological samples ⏵ Blood assays ⏵ Blood count ⏵ Blood count processing
	Biomarkers

Participants

478,814

Categorical (single)

Both sexes

Jan 2012

502,883

Data

Defined (3)

Aug 2025

Complete

Auxiliary

o1 s2

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Data

502,883 items of data are available, covering 478,814 participants, encoded using Data-Coding 2226.
Defined-instances run from 0 to 2, labelled using Instancing 2.

Graph illustrating main data

3 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
477,638 participants, 477,638 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
19,390 participants, 19,390 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
5,855 participants, 5,855 items
Graph illustrating main data

Notes

Route whereby data for Haemoglobin concentration was transferred from analyser device to UK Biobank core LIMS database.

2 Related Data-Fields

Field ID	Description	Relationship
30020	Haemoglobin concentration	Current Field is the data route used to acquire the result in Field 30020
30022	Haemoglobin concentration acquisitio ...	Current Field indicates how to interpret the time in Field 30022

3 Resources

Preview	Name	Res ID
	Coulter LH750 operator guide	7249
	Coulter LH750 reference	7248
	Haematology data processing summary	1453

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