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Laboratory Medicine

Test Directory / Platelet nucleotides (platelet function)

Platelet nucleotides (platelet function)

Citrated Plasma

TestPlatelet nucleotides (platelet function)
Common AbbreviationsPNUC
ProfilePlatelet Function Investigation PFA-100, platelt aggregration, platelet glycoproteins,platelet nucleotides
Clinical Indication An evaluation of patients with abnormal bleeding requires objective clinical asssessment of bleeding, history, family history and physicalexamination. After initial lab invesitgatin, further testing, such as specific bleeding disorder tests may be necessary to identify an inherited disorder or acquired condition as the cause of the dysfunction. Platelet nucleotide measures the total and released adenine nucleotides .
Specimen TypeBlood
Sample TypeCitrated Plasma
Minimum Volume1 x 3mL (adult) 1 x 1mL (paed) (Platelet fucntion Investigation requires: 5 x 3mL (adult), 6 x 1mL (paed) (citrated plasma must be filled to bottle line)
Special PrecautionsPlease discuss with Consultant Haematologists in the first instance. Must be prearranged with Haemophilia Nurse prior to appointment and samples taken. Hand delivery to the Coagulation Lab before 10am
Stability4 hrs (unspun)
Turnaround Time28 days
LaboratorySLM Haematology Laboratory Leeds St James University Hospital
Reference IntervalIssued with final report
LimitationsBy prearrangement only. Must be delivered to testing lab by 11am on day of collection. Samples must not be sent by air tube.
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Maternity access at York Hospital - Saturday 22 February

On Saturday 22 February, 8am-6pm, there will be a temporary change of vehicle access to the maternity unit at York Hospital. Access via entrance 2 will be closed to allow essential works to be completed. 

If you are attending the maternity unit at York on this day, please drive in via the entrance for A&E (marked blue light priority).

The multi-storey car park will not be affected by this change, and any non-urgent visitors should continue to park in this area.