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Test and Tubes Database
ID:242 Crossmatch
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DescriptionProcess used to test, match and reserve blood units for patients. Crossmatching tests the patients plasma against red cell donations to ensure compatibility. Crossmatching is an essential part of blood provision where the use of electronic issue has been discounted. The ward Autofate system can be used to check if blood is held on a patient.
IndicationBlood required for transfusion - anaemias, high risk surgery (see MSBOS), obstetric cover, etc.
Additional InfoPlease note: Local policy for overnight transfusions is only if absolutely necessary.
Concurrent TestsGroup & Save
Dietary Requirements
InterpretationPositive (incompatible) or Negative (compatible).

DepartmentBlood Transfusion
SampleBlood
TubeEDTA (Crossmatch)
Tube Picture
Collection ConditionsHandwritten samples to include full name, DOB and hospital / NHS / PAS number.Check local ward posters with regard to sample size for neonatal / paediatric patients.
Min. Vol6 mL
Freq.Weekdays

Ref. Range (Male)
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range Notes
UnitsPositive/Negative
IP Acute TAT- Contact Laboratory
IP Routine TATAs Requested
GP Acute TAT- Not Available -
GP Routine TAT- Not Available -
Turnround CommentBlood is normally (unless otherwise informed) ready for the date and time requested. Contact the laboratory for urgent/emergency blood.

Originally edited by : RJAR. Review due on 03/11/2018 14:22:21. Published By RJAR on 03/11/2017 14:22:21.