Lactate Dehydrogenase (LDH) (CSF)
Clinical Biochemistry
Sample and container requirements
CSF (plain polypropylene tube). Tube collection should be arranged via the duty biochemist prior to the lumbar puncture.
Minimum volume required
500 µL CSF
Special requirements
Samples should be unhaemolysed & transported by first class post.
Patient preparation
None
Sample viability
Turnaround time
14 days
Reference range
Please refer to report for reference ranges.
Clinical guidance
Please follow the link below to the referral laboratory website for more information: https://www.uclh.nhs.uk/our-services/find-service/neurology-and-neurosurgery/neuroimmunology
Notes
Sent to National Hospital for Neurology and Neurosurgery, Queen's Square
Images to go here
This information was last updated on 19 August 2026