Laboratory Services
Lactate Dehydrogenase
Print this pageUpdated Test Information:
Test Description |
Lactate Dehydrogenase
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Synonym(s) |
LDH
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Test ID |
LDH
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Specimen Type |
Serum
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Specimen Requirements |
SST
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Alternate Specimen Type |
Red, Li-heparin plasma
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Specimen Collection / Processing Instructions |
SST - Separate the serum or plasma from the clot or cells promptly.
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Minimum Sample Volume |
1 mL
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Pediatric Min. Volume (if applicable) |
500 uL
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Additional Processing Details |
Separate the serum or plasma from the clot or cells promptly.
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Stability |
7 days at 15‑25 °C
4 days at 2-8 °C 6 wks at -20 °C |
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Unacceptable Specimen Conditions |
Hemolyzed samples
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Limitations |
In connection with certain diseases (e.g. hepatopathy, diseases of skeletal muscle, malignant tumors), the LDH‑4 and LDH‑5 isoenzyme portions are increased and unstable in cooled and frozen samples; this may lead to an incorrect LDH value in samples collected from patients suffering from such diseases.
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Methodology |
UV Assay
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Estimated TAT |
0-2 days
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Testing Schedule |
Monday-Saturday
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CPT Code(s) |
83615
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Performing Lab |
Incyte Diagnostics
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LOINC Code(s) |
14804-9
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