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
- External call 0117 414 8383, select option 2
- Internal call ext. 48383, select option 2
- External call to Switchboard 0117 9505050
- Biochemistry (Bleeps. 9436 or 9437)
- Haematology (Bleeps. 9433).
Biochemistry and Haematology Lab Routine Opening Hours
- Weekdays, weekends and Bank Holidays 08:00 - 21:30
Out of hours
- Weekdays, weekends and Bank Holidays 21:30 - 08:00
Immunology laboratory
- Weekdays 08:00 - 16:00
We will accommodate additional requests where possible, provided that:
- The appropriate specimen type with sufficient sample remaining is available for the requested test.
- The test does not require special specimen handling.
To request an additional test, please provide following information
- Sample Number (available on ICE, instructions here-
Finding the Sample Number.pdf330.21 KB
- Name of patient
- Tests to be added
- Name and phone number of requester
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 appropriate |
Within 24 hours of venepuncture |
Within 48 hours of venepuncture |
Up to three days after |
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Ammonia |
Haematology tests –FBC and RET. |
Haematology tests – PV, GF and G6PD. |
U&E, LFTs |
Bicarbonate |
Coagulation - DIM, INR, CSC. |
Vitamin B12 |
Bone, Mg |
Lactate (unless fluoride tube) |
CSF Lactate |
Folate |
TFTs |
Anti-Mullerian Hormone |
Troponin I |
Digoxin |
BNP |
Mesothelin |
Malaria Parasites (include travel details) |
PTH (EDTA Tube) |
Cortisol, hCG, LDH, Lipids, |
CH50/AP50 | Requests for Film Reviews (FR) - these will be vetted by Haematology. |
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C1 Esterase Inhibtor |
Conjugated/Direct Bilirubin | ||
Any Chemistry test that needs to be referred frozen |
Please note that requesting an additional test is not appropriate for Antimicrobial or Microbiology assays.