Test List: X
For reference ranges related to any specific test, please email email@example.com
Please note this list may not show our full repertoire of tests. If you need further information, please call +44 (0) 20 7307 9400
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Important notice regarding biotin interference in laboratory tests – please click here to read our update.
Xanthine – Blood
Xylene – Urine
 Collect sample at end of exposure.
Xylose Tolerance Test
 Contact the laboratory for special sample tubes/containers/instructions.