The Leeds Teaching Hospitals NHS Trust

Xanthochromia

Xanthochromia

This is a test of CSF which measures the breakdown products of blood following an intracerebral bleed. Note blood stained samples may affect analysis.

Tube 09 (CSF) - Plain CSF
ID Tests&Tubes0139
Additional Information A paired serum sample for protein and bilirubin should also be sent. Samples should be taken >12 hours post event - samples taken earlier may give false negative results. (Please see information for CSF protein and glucose also). Ideally tube number 4 should be sent to biochemistry for CSF protein and xanthochromia. For urgent testing - please contact laboratory.
Turn Around A&E: N/A
Day Case: 6 Hours
In-Patient: 6 Hours
Out-Patient: N/A
GP: N/A
Send to Blood Sciences Cross Site
Contact For further details please contact Leeds Pathology customer services: leedsth-tr.pathologycustomerservice@nhs.net.
Advice Collection advice available on the blood sciences useful information and links page: https://www.leedsth.nhs.uk/a-z-of-services/pathology/blood-sciences/useful-information-and-links/
Collection Con Send to laboratory ASAP. Protected from Light, DO NOT use the air tube delivery system. On arrival, samples 4 must be centrifuged and supernatant removed from and cells. Please protect sample from light prior to analysis.
Instructions for Lab Staff: Samples must be manually centrifuged before analysis. Separate the supernatant prior to storing light protected.
Sample REQ CSF
Minimum volume 700uL
Ref. Range Notes Blood Sciences Refernce ranges available through the useful information and links page:https://www.leedsth.nhs.uk/a-z-of-services/pathology/blood-sciences/useful-information-and-links/
Units N/A
Telepath CXAN1L
ICE Codes LCXAN