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Test indications |
Diagnosing latent TB infection as well as TB disease. |
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Test information |
This is a time critical sample. Samples must be received in the laboratory promptly following collection. The collection date and time of the sample must be accurately completed on the request form. Samples received without this information will be rejected. |
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Samples required |
● Lithium heparin blood (green cap, 6 mL tube), or ● trisodium citrate tube (blue cap, 3.5 mL tube). Smaller tubes are available for paediatric samples. Required sample volumes: Age 10 years and over: 6 mL 2 - 10 years: 4 mL under 2 years: 2 mL Store at room temperature (NOT refrigerated). Samples need to be received in the lab at RSCH no later than 4pm Monday-Friday. If sending from PRH the sample needs to be received in the lab at RSCH before 12.30pm. Heparin tubes are available from Microbiology Reception. |
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Turnaround time |
Usually 48hrs after the sample is received at the referral laboratory. |
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Enquiries |
Microbiology |
Referred to Oxford Diagnostic Lab, T.Spot service.