Lactate Dehydrogenase

Test Code

LDH

CPT Codes
83615

Preferred Specimen

GREEN Lithium Heparin Plasma

Minimum Volume

0.25 mL

Other Acceptable Specimens

SST Serum Separator, Red No Gel

Instructions

Separate from cells within 1 hour of collection

Transport Container

GREEN Lithium Heparin

Transport Temperature

Room Temperature

Specimen Stability

Room Temp: 2 Days; Do not use refrigerated or frozen specimens

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

Not separated from cells within 1 hour of collection, Gross hemolysis

Methodology
Vitros 7600/3400

Reference Range

120-246 U/L

Clinical Significance

Lactate dehydrogenase is an enzyme with a widespread tissue distribution and increased levels reflect tissue damage. Causes of elevated LDH include neoplastic states (i.e. leukemia, lymphoma, solid tumors), anemia (i.e. megaloblastic, hemolytic), inflammatory and infectious states, disorders of the lung and muscle, renal and myocardial infarctions, hepatic disease, trauma and shock

Performed By
RFGH Laboratory

Performing Laboratory
RFGH Laboratory

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.