Test directory: LDH, Total

Ordering Code194
Test NameLDH, Total
AliasLactate Dehydrogenase
Preferred SpecimenSerum
Preferred ContainerSST (Gold)
Other Specimen/ContainerPlasma in Lithium Heparin (Green),
Serum in Plain (Red)
Optimum Volume0.5 mL
Transport RequirementsOahu: Ambient
Airline: Ambient
Specimen StabilityAmbient: 7 Days
Refrigerated: 4 Days
Frozen: 6 Weeks
In connection with certain diseases (e.g. hepatopathy, diseases of skeletal muscle, malignant tumors), the LDH-4 and LDH-5 isoenzyme portions are increased and unstable in cooled and frozen samples; this may lead to an incorrect LDH value in samples collected from patients suffering from such diseases.
Rejection CriteriaInsufficient quantity, Specimen older than stability limits,
Moderately hemolyzed
Avail. StatYES
Analytic Time1 Day
MethodologyUV Enzymatic

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
LDH, TotalALL135-250135-250IU/L