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Xanthochromia
Xanthochromia
- Test Name: Xanthochromia
- Laboratory: Biochemistry Referred Test (Referred to Kings College Hospital, London on advice of Neurology team only)
- Specimen Type: CSF + Serum
- Specimen Container: CSF (universal container) + Yellow Top (serum)
- Specimen Volume: CSF (min 1ml required, ideally 4th CSF sample & light protected immediately) + 4mls serum
- Specimen Requirements:
- Available by special request for UHW Neurology team.
- Please provide contact number on the request form for communication of critical results.
- Sample must be taken >12hours post suspected SAH (may be useful up to 2 weeks post event)
- Protect the sample from light immediately
- A blood sample must be drawn at the same time for serum Total Bilirubin and Total Protein, which may be required for interpretation of CSF bilirubin,
- Hand Deliver the samples to the Lab. Do not use the pneumatic tube system.
- Inform the Biochemistry Lab prior to sample collection to organise.
- Only available for UHW patients due to sample stability requirements. Liaise with local laboratory as required.
- Other details: Include a contact Number on the request form for communication of critical results.
- Frequency of analysis/ assay:
- Turnaround Time: 3 weeks
- Phone alert limits: N/A
- Pre-analytical stability at room temp: Requires immediate delivery to Biochemistry by hand. Do not use pneumatic tube system.
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