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Lactate Dehydrogenase (LDH)

Test Code
LDH


Alias/See Also
LD, LDH


Preferred Specimen
1.0 mL plasma (0.5 mL minimum)


Transport Container
PST (light green top). Red top and SST also acceptable


Specimen Stability
Room temperature: 3 days, Refrigerated: not recommended, Frozen: not recommended


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly hemolyzed specimens are unacceptable.


Reference Range

  



Males: 85 – 227 U/L



Females: 81 – 234 U/L




Clinical Significance
Elevations in serum LDH occur from myocardial infarction, liver disease, pernicious and megaloblastic anemia, pulmonary emboli, malignancies and muscular dystrophy.




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.