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Haematology

Haematology Referred Work (11)

Citrated platelet count

Citrated platelet count

Reference Range

For Adult reference ranges click here

  • Turnaround Time: 12 hours, if urgent by prior arrangement with laboratory
Urinary Haemosiderin

Urinary Haemosiderin

Reference Range

Haemosiderin either appears as blue staining of isolated or grouped granules. Results are reported as POSITIVE or NEGATIVE

                              

Sickle Screen (Haemoglobin S)

Sickle Screen (Haemoglobin S)

  • Turnaround Time: 4 hours from receipt if urgent
PT / INR and Activated Partial Thromboplastin Time (APTT)

PT / INR and Activated Partial Thromboplastin Time (APTT)

Reference Range

Prothrombin Time ratio (PT) 0.8-1.2 (10-14.0 seconds)

INR Dependent upon therapeutic requirement

APTT Ratio 0.8-1.2 (23-34 seconds)

Paediatric reference ranges can be found here

 

 

  • Turnaround Time: 24 hours
Fibrinogen

Fibrinogen

Reference Range

1.5 - 4.1 g/L

Paediatric reference ranges can be found here

  • Turnaround Time: 24 hours
D-Dimer

D-Dimer

Reference Range

Up to Age 49: <250 ng/mL

For patients aged 50 years and above: use age adjusted cut-off value of 5x age in conjunction with Wells score for exclusion of PE or DVT

  • Turnaround Time: 24 hours
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