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Clinical Biochemistry

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Xanthochromia (CSF)

Specimen requirements

Sample type: CSF (Universal)

Collection requirements: Tube 3 or 4 should be used for CSF spectroscopy.

Sample must be protected from light and sent to the laboratory ASAP.

Collect CSF > 12h post onset of headache.

Send accompanying blood sample for protein and bilirubin.

Avoid use of the pneumatic tube system for sample transportation.


Price on application

Turnaround time

Please see Turnaround times

Analytical method


Analysis undertaken at these site(s)

John Radcliffe Hospital

Samples for CSF spectroscopy will usually be processed the same day if received before 8.00pm but will be analysed the next morning if received after this time.

Please contact the Duty Biochemist via Switchboard for details.

Last reviewed:27 January 2023