Lactate Dehydrogenase (LDH)
Clinical Biochemistry
Sample and container requirements
Serum Lithium Heparin Plasma (paediatrics only)
Minimum volume required
80 µL serum/plasma
Special requirements
None
Patient preparation
None
Sample viability
Turnaround time
This assay is run throughout the day and night. The in-lab turnaround time is normally less than 24 hours.
Reference range
125 – 220 U/L (Source: Abbott Diagnostics)
Clinical guidance
Lactate Dehydrogenase (LDH) enzyme exists in five isoenzyme forms, but only total activity is assayed in this laboratory. Please refer to LabTestsOnlineUK to learn more about LDH. https://labtestsonline.org.uk/tests/lactate-dehydrogenase-ldh
Notes
Images to go here
This information was last updated on 19 August 2026