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Lactate Dehydrogenase (LDH)

Test Code
LDH


CPT Codes
83615

Preferred Specimen
1.0 mL serum


Instructions
Draw blood in a gold top tube. Spin down. Avoid hemolysis.


Transport Container
Gold Top Tube


Transport Temperature
Room Temperature


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis


Methodology
UV

Reference Range
Males: 135-225 IU/L Female: 135-214 IU/L


Clinical Significance
Lactate dehydrogenase is an enzyme present in the cytosol of all human cells; it catalyzes the reversibe reduction of pyruvate to lactate using nicotinamide adenine dinucleotide (NADH). The causes of increased LDH include neoplastic states, myocardial inf




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.