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Laboratory Medicine

Test catalogue

Lactate Dehydrogenase

Test Name

Lactate Dehydrogenase

Gold Tube Specimen Type / Requirements

Container Type = 1 Gold Top (SST)

Minimum Volume = 2 ml serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection instructions: Collect sample in gold (SST) or red top. Write your initials, date and time of collection on the collection label.

Special Instructions: Separate from cells within 2 hours of collection.

Rejection Criteria: Multiple freeze/thaw unacceptable, grossly hemolyzed, Unlabeled or Not Sufficient Quantity Samples will be rejected.

Stability: LD is stable at room temperature for 8 h, refrigerated for 1 week and frozen at -15 to -20°C for 1 month.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turn Around Time (TAT)

1 hour stat/trauma 2 hours routine

Test Utilization


Reference Value

100 - 195 U/L

Test code



Spectrophotometric (Enzymatic/Rate method)

Testing Location


Other Information