Specimen bottles and turnaround times

Note that you need to take a separate sample for each pathology discipline: immunology and haematology need separate specimens.

 

Specimen bottles and turnaround times following receipt of samples.

 

TEST

BOTTLE

TIMES

URGENT

FBC

EDTA (purple top)

5 hours

60 min

Film examination

EDTA (purple top)

2 days

2 hours

Blood parasites

EDTA (purple top)

1 day

2 hours

Reticulocytes

EDTA (purple top)

1 day

45 min

Glandular fever

EDTA (purple top)

1 day

60 min

ESR

Black top citrate

1 day

90 min

Plasma Viscosity

EDTA (purple top)

1 day

Not Done

Sickle screen

EDTA (purple top)

1 day

60 min

Hb variant analysis

EDTA (purple top)

7 days

Not Done

HbA2 and HbF

EDTA (purple top)

7 days

Not Done

 

Blood Coagulation

Coagulation screen

Citrate (blue top)

4 hours

90 min

D-Dimer

Citrate (blue top)

4 hours

90 min

Thrombophilia screen

3/4 x Citrate (blue top) + 1 x clotted (red top)

4 weeks

Not Done

Lupus anticoagulant

2 x Citrate (blue top)

2 weeks

Not Done

       

Blood Transfusion

Cross-match / group & antibody screen

6ml pink top EDTA + purple top EDTA

Urgent group specific

Cross-matched

 15 min

  45 min

Cold agglutinin titre - by arrangement only

6ml pink top EDTA + purple top EDTA

2 days

Not Done

Heparin induced thrombocytopaenia (HIT)

10ml clotted (red top) + 6ml pink top EDTA + purple top EDTA

Up to 2 days

(exc. w/kends)

Not Done

       

Obstetrics

DCT

6ml pink top EDTA + purple top EDTA

Routine 24 Hr

 

Feotal Cell Count

6ml pink top EDTA + purple top EDTA

 

 

Kleihauer (Maternal + Cord Blood)

6ml pink top EDTA + purple top EDTA

 

 

Haemolysin screen

Clotted (Red top)

 

 

       

Immunology

Rheumatoid Factor

Clotted (red/yellow top)

2 Weeks

Not Done

Antinuclear antibodies (positive samples sent away)

Clotted (red/yellow top)

2 Weeks

Not Done

Double stranded DNA antibodies (sent away)

Clotted (red/yellow top)

2 Weeks

Not Done

ENA screening (sent away)

Clotted (red/yellow top)

2 Weeks

Not Done

Centromere (sent away)

Clotted (red/yellow top)

2 Weeks

Not Done

Auto antibody screen (LKS) (positive samples sent away)

Clotted (red/yellow top)

2 Weeks

Not Done

IgG & IgM Cardiolipin antibodies (sent away)

Clotted (red top)

2 Weeks

Not Done

Coeliac screen (sent away)

Clotted (red/yellow top)

2 Weeks

Not Done

 

Paediatric Specimens