Haematology, Immunology & Blood Transfusion Investigations The following list of available tests is not exclusive and other tests may be available on request. Investigation Specimen Turnaround times Reference Range Comments, Specimen Performed at required Special retention time Routine Urgent precautions. Adrenal Abs 1 x gold 14 days n/a Positive or Negative n/a LGI Activated Partial Thromboplastin time 1 x blue 4 hours 1 hour 24 - 30 Seconds 24 hours HDH (APTT) APTT Ratio (Therapeutic range 1.5 Not for monitoring – – 1 x blue 4 hours 1 hour 24 hours HDH Heparin monitoring 2.5) LMWH < 5 x 10-10 molar: Neg 5 - 50 x 10-10 molar : + Acetylcholine 50–500 x 10-10 molar 1 x gold 14 days n/a n/a ORH receptor Antibodies ++ > 500 x 10-10 molar : +++ Anticardiolipin Abs 1 x gold 14 days n/a 0 19.9 GPL Units / ml n/a LGI – Anti DNA now part Request ANA – of ANA Screen 1 x gold 14 days n/a TBC Screen (Leeds) on N/A LGI (Leeds) ICE Anti-neutrophil Request ANCA Positive or Negative for LGI cytoplasmic Abs 1 x gold 14 days (2 days) Screen (Leeds) on N/A screen, numerical report ICE for ANCA MPO and PR3 (Screen plus MPO,
Haematology, Immunology & Blood Transfusion Investigations The following list of available tests is not exclusive and other tests may be available on request. Investigation Specimen required Turnaround times Routine Urgent Reference Range Comments, Special precautions. Specimen retention time Performed at Adrenal Abs 1 x gold 14 days n/a Positive or Negative n/a LGI Activated Partial Thromboplastin time (APTT) 1 x blue 4 hours 1 hour 24 - 30 Seconds 24 hours HDH APTT Ratio – Heparin monitoring 1 x blue 4 hours 1 hour (Therapeutic range 1.5 – 2.5) Not for monitoring LMWH 24 hours HDH Acetylcholine receptor Antibodies 1 x gold 14 days n/a < 5 x 10-10 molar: Neg 5 - 50 x 10-10 molar : + 50–500 x 10-10 molar ++ > 500 x 10-10 molar : +++ n/a ORH Anticardiolipin Abs 1 x gold 14 days n/a 0 – 19.9 GPL Units / ml n/a LGI Anti DNA – now part of ANA Screen (Leeds) 1 x gold 14 days n/a TBC Request ANA Screen (Leeds) on ICE N/A LGI Anti-neutrophil cytoplasmic Abs (Screen plus MPO, 1 x gold 14 days (2 days) Positive or Negative for screen, numerical report for ANCA MPO and PR3 Request ANCA Screen (Leeds) on ICE N/A LGI
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