Erythrocyte sedimentation rate (ESR)

Erythrocyte sedimentation rate (ESR) image

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Pathology category

Haematology

Code

E

Referral code

Request form

ICE/Standard

Test information

Guidelines

Pre-analytical

Sample transport should be at 4-25C and reach the laboratory ASAP

Please note: the samples must arrive within 24 hours of collection otherwise they will be rejected by the laboratory

The sample will be rejected if clotted

Reference range

( Ref: Dacie & Lewis 12th Edition – 95% Confidence Limits for Normal Adults)

Sex Age Reference Range mm/hour
Male <50 1 – 10
  51 – 59 1 – 12
  61 – 69 1 – 14
  70+ 1 – 30
Female <50 1 – 12
  51 – 59 1 – 12
  60 – 69 1 – 20
  70+ 1 – 35

Tube type

4ml purple top EDTA or Paediatric EDTA (Must be filled to 500uL line)  

Tube type info

4ml purple top EDTA or Paediatric EDTA (Must be filled to 500uL line)

 

Special requirements

Minimum volume

1ml EDTA (Adult)

500uL Paediatric EDTA

Can be analysed from FBC sample if sufficient volume

Assay frequency

Routine

TAT Inpatient (urgent)

1 hour

TAT Inpatient

4 hours

TAT GP/Outpatient

24 hours

Referral lab

local

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