Lactate Dehydrogenase, Serum

Overview
Department	Biochemistry
Test Code	PLD
Synonyms	LD LDH
Availability	Monday - Sunday, testing routinely available out of hours
Turnaround Time	1 – 3 hours
Stability – Add test	4 hours
Specimen Requirements
Specimen	Serum Plasma
Preferred	6 mL Plain Red-Top
Acceptable	4 mL Li-Heparin Green-Top
Unacceptable	Haemolysed samples
Specimen Transportation
Paediatric Requirements	600 µL  Li-Hep Microtainer
Aliquot Requirements
Sample	Serum  Plasma
Preferred Volume	100 µL
Minimum Volume
Aliquot Transportation
Clinical Information
Reference Intervals	Age range Reference Interval 0 -14 days 310 – 1220 U/L > 14 day – 1 year 190 – 450 U/L > 1 year – 10 years 190 – 320 U/L > 10 years – 15 years 160 – 280 U/L > 15 years – 18 years 130 – 250 U/L > 18 years 110 – 220 U/L
Test Method	NADH consumption monitored at 340nm. Abbott Ci8200 analyser
Advanced Notice	Not required
Patient Preparation
Comments

Owner	Clair Crossley (Crossley1)
Last reviewed	23.10.2025
Next review	23.10.2026 (OK)