|
Alternative names, keywords |
|
|
Samples required |
● EDTA blood for group and screen (G&S) (pink cap, 6 mL tube) required if in house testing can be performed. Smaller tubes are available for paediatric samples. ● 3 x EDTA blood for group and screen (G&S) (pink cap, 6 mL tube) are required if antibody identification is inconclusive - these are sent to sent to the National Blood Service in Tooting for further investigation. Samples for referral must have the time and date on and must be signed.
|
|
Test indications |
Blood group antibodies are screened for routinely during grouping and crossmatching. When detected, identification will be carried out in-house if possible or sent to the Blood Transfusion Service. Additional samples may be required for antibody identification. Titration/quantitation: Normally performed on pregnant women with known clinically significant antibodies. Discuss request with haematologist. |
|
Key factors affecting test performance or interpretation |
Haemolysed sample, lipaemia, clotted sample. |
|
Turnaround time |
Up to 1 week dependent upon investigation required. Referral lab quotes turnaround time of 1 week for non-urgent tests. Urgent testing can be performed within 24 hours. Additional time must be allowed for packing, dispatch and delivery of sample, and return and processing of results. |
|
Enquiries |
Haematology (Transfusion) |
Referred to National Blood Service, Tooting Centre, Red Cell Immunohaematology, 75 Cranmer Terrace, London SW17 0RB.