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Oxford University Hospitals NHS Foundation Trust
Immunology

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Orexin

Orexin/hypocretin is a CSF peptide that is severely reduced or absent in narcolepsy with cataplexy.

Specimen requirements

CSF 2ml

Cost

50 UKP - UK NHS, International and Private

Laboratory turnaround time

42 working days

Laboratory method

Radioimmunoassay (RIA)

Reference range/units

Not applicable

Associated tests

Not applicable

Shipping and storage

UK and Ireland

Ambient temperature and first class post. Hays DX users please enquire via email below.

International

Ambient temperature if courier will deliver within 72 hours otherwise consider refrigerated transport. Freezing is not a requirement.

Ensure delivery Monday to Friday 07:00 - 17:30.

Other information

Please retain a frozen CSF sample at source.

Further information and contact details

For further information, email immunology.office@nhs.net