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| Title | LACTATE DEHYDROGENASE (LDH) ISOENZYMES (includes LDH) |
| Specimen Requirement | <p>1 SST/2.0 mL serum. After 30 minutes of clotting, promptly centrifuge and store serum at <strong>room temperature</strong>.</p> |
| Methodology | |
| Stability | Room Temperature 7 days |
| Reference Range | By Report* |
| Turnaround | 3-5 DAYS -- PERFORMED MON,WED,FRI |
| Clinical Use | <p>The LD isoenzyme pattern is useful to evaluate the source of elevated LD activity. LD isoenzyme elevation associations: LD1: germ cell tumors; LD1>LD2: renal or myocardial infarction, megaloblastic anemia, hemolysis; LD3: platelet destruction, reactive, lymphadenopathy, lymphoma, lymphocytosis, pulmonary infarction, pneumonia, advanced cancer, acute pancreatitis; LD4, LD5: various solid tumors; LD5: primary liver disease, liver anoxia, muscle injury or dystrophy; All forms: renal disease, carcinomatosis, collagen vascular vascular disease, overwhelming sepsis, DIC</p> |
| Test Code | SLDHI |
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