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Test Code LDH Lactate Dehydrogenase, LAB96

Methodology

Rate Reaction-International Federation of Clinical Chemists (IFCC) Standard

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements

Container/Tube:

Preferred: Green-top (heparin) tube-Hemolyzed specimen is not acceptable.

Acceptable: Gold-top serum gel tube or plain red-top tube

Specimen Volume: 0.1 mL of plasma or serum

Stability: Separated specimens should be analyzed immediately or kept at room temperature or refrigerated

                for up to 24 hours.

 

Reference Values

84-246 U/L

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

83615

Useful For

Elevated serum levels of LDH have been observed in a variety of disease states. The highest levels are seen in patients with megaloblastic anemia, disseminated carcinoma and shock. Moderate increases occur in muscular disorders, nephrotic syndrome and cirrhosis. Mild increases in LDH activity have been reported in cases of myocardial or pulmonary infarction, leukemia, hemolytic anemia and non-viral hepatitis.