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ESR

Blood Sciences Test


Specimen

Seditainer 1.26 ml

Special Instructions

Plasma Viscosity is the preferred test

Test should be performed within 4 hours of collection

Factors affecting results

ESR may be more difficult to read on patients with a high reticulocyte count, as the red cell/plasma interface may be hazy

Reference Range

Age Female Male
Under 50 years <12 mm/Hr <10 mm/Hr
50 – 60 years <19 mm/Hr <12 mm/Hr
Over 60 years <20 mm/Hr <14 mm/Hr

From: Kenny MW et al Clinical and Laboratory Haematology 1981 Vol 3

Test Usage

Non specific marker of inflammation

Availability

In house

Turnaround time

2 hours

Clinical Advice

Clinical advice is available from the Haematology Medical team (contact RD&E switchboard on 01392 411611)

Specimen Labelling Procedure
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