Please click on a test name to see more information. 

For Reference Ranges related to any specific test please email refranges@tdlpathology.com
 

Important notice regarding biotin interference in laboratory tests – please click here to read our update

 

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Xanthine – Blood 

Code

Sample Reqs

Turnaround

XANB

A

2 weeks

Special instructions

 

Xylene – Urine 

Code

Sample Reqs

Turnaround

UXYL

RU  [30]

2 weeks

Special instructions

[30] Collect sample at end of exposure.

Xylose Tolerance Test

Code

Sample Reqs

Turnaround

XTT

J  [1]

7 days 

Special instructions

[1] Contact the laboratory for special sample tubes/containers/instructions.