Referred to Berkshire & Surrey Pathology Services, Frimley Park Hospital NHS Foundation Trust, Portsmouth Road, Frimley, Surrey GU16 7UJ
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Alternative names, keywords |
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Samples required |
Samples should be taken 12 hours post dose. |
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Test indications |
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Reference range |
A target range for therapeutic use of 20 - 40 µg/L (12 hour post-dose sample) has been proposed. |
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Turnaround time |
Referral lab quotes turnaround time of 7 days, however additional time must be allowed for packing, dispatch and delivery of sample, and return and processing of results. |
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Enquiries |
Biochemistry (Referrals) |
EDTA blood (purple cap/ yellow cap ring, 4 mL tube). Smaller tubes are available for paediatric samples.