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Test and Tubes Database
ID:335 Xanthochromia
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DescriptionThis is a test of CSF which measures the breakdown products of blood following an intracerebral bleed. Note blood stained samples may affect analysis.
IndicationSuspected sub- arachnoid haemorrhage(SAH)
Additional InfoA 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). Please see CSF protocol for further information- ideally tube number 4 should be sent to biochemistry for CSF protein and xanthochromia. For urgent testing - please contact laboratory.
Concurrent TestsCSF protein (if meningitis is DDX)
Dietary RequirementsN/A
InterpretationPlease contact the duty biochemist on x26922 or if out of hours then contact the on-call consultant (via switchboard)

TubePlain Universal
Tube Picture
Collection ConditionsSend to laboratory ASAP. DO NOT use the pneumatic tube delivery system.
Min. Vol0.5 mL

Ref. Range (Male)
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range Notes
Units - Not Defined -
IP Acute TATRefer to Website
IP Routine TATRefer to Website
GP Acute TAT- Contact Laboratory
GP Routine TATRefer to Website
Turnround CommentIn-patient turnaround times are Sun - Thurs 24hrs Fri - Sat 72hrs

Originally edited by : SRG. Review due on 04/12/2019 09:34:38. Published By Matthew Clifford on 04/12/2018 09:34:38.