Procedure for Requesting Additional Blood Sciences (Biochemistry, Haematology and Immunology) Tests

Procedure for Requesting Additional Blood Sciences Tests

(Biochemistry, Haematology and Immunology)

We are aware that on occasion it is necessary to request additional tests for a sample already in the laboratory.

Method of requesting

Requests may be received via either ICE mail or by telephone. 
ICE mail add-ons are actioned 24hrs per day. For urgent requests contact the laboratory directly, for all other requests please use ICE mail.

Lab contact details

Biochemistry and Haematology Lab Routine Opening Hours

Out of hours

Immunology laboratory

We will accommodate additional requests where possible, provided that:

To request an additional test, please provide following information

If the add-on test is urgent, ensure this is communicated to the lab when requesting the add-on.

Guidelines for Additional Requests

Unstable! – add-ons are  NOT appropriateWithin 24 hours of venepunctureWithin 48 hours of venepunctureUp to three days after
venepuncture
AmmoniaHaematology tests –FBC and RET.Haematology tests –  PV, GF and G6PD.U&E, LFTs
BicarbonateCoagulation - DIM, INR, CSC.Vitamin B12Bone, Mg
Lactate (unless fluoride tube)CSF LactateFolateTFTs
Anti-Mullerian HormoneTroponin IDigoxinBNP
MesothelinMalaria Parasites (include travel details)PTH (EDTA Tube)Cortisol, hCG, LDH, Lipids, 
Oestradiol, Paracetamol
Phenytoin, SHBG
CH50/AP50Requests for Film Reviews (FR) - these will be vetted by Haematology. Non-antenatal Haemoglobinopathy Screens
C1 Esterase InhibtorConjugated/Direct Bilirubin HbA1c
Any Chemistry test that needs to be referred frozen   

Please note that requesting an additional test is not appropriate for Antimicrobial or Microbiology assays.

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Source URL: https://www.nbt.nhs.uk/severn-pathology/requesting/add-tests