Coagulation Screen 1 x blue 4 hours 1 hour See PT & APTT 24 hours HDH (PT & APTT) < 0.50 has a D-dimers 1 x blue 4 hours 1 hour 0 0.55 mg/L FEU Negative predictive 24 hours HDH – value for VTE 1 x pink (6 Negative / Direct Coombs Test ml) or purple 1 day 1 hour 14 days HDH Positive (IgG +/- C3d) (4 ml) Negative / Positive IgA Only tested on Endomysial Abs. 1 x gold 14 days n/a NA LGI class Positive TTGs By prior EPO 1 X gold 4 weeks 3 weeks n/a HMDS arrangement only Samples must Erythrocyte 1 x Black reach the blood Females: 0-13mm/hr Sedimentation rate top sodium 48 hours 90 minutes science laboratory 48 hours HDH Males: 0-8mm/hr (ESR) citrate within 4 hours of collection Extractable Nuclear Now included in Antigens Request 1 x gold 4 weeks n/a ANA Screen N/A LGI – ANA Screen (Leeds) (Leeds) on ICE Fully labelled with Positive/Negative/ Fetal Rh(D) at least 3 points of 1 x pink 14 days n/a NA IBGRL Screening Inconclusive ID Sign and date sample. EDD from
Coagulation Screen (PT & APTT) 1 x blue 4 hours 1 hour See PT & APTT 24 hours HDH D-dimers 1 x blue 4 hours 1 hour 0 – 0.55 mg/L FEU < 0.50 has a Negative predictive value for VTE 24 hours HDH Direct Coombs Test 1 x pink (6 ml) or purple (4 ml) 1 day 1 hour Negative / Positive (IgG +/- C3d) 14 days HDH Endomysial Abs. 1 x gold 14 days n/a Negative / Positive IgA class Only tested on Positive TTGs NA LGI EPO 1 X gold 4 weeks 3 weeks By prior arrangement only n/a HMDS Erythrocyte Sedimentation rate (ESR) 1 x Black top sodium citrate 48 hours 90 minutes Females: 0-13mm/hr Males: 0-8mm/hr Samples must reach the blood science laboratory within 4 hours of collection 48 hours HDH Extractable Nuclear Antigens – Request ANA Screen (Leeds) 1 x gold 4 weeks n/a Now included in ANA Screen (Leeds) on ICE N/A LGI Fetal Rh(D) Screening 1 x pink 14 days n/a Positive/Negative/ Inconclusive Fully labelled with at least 3 points of ID Sign and date sample. EDD from NA IBGRL
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