| ENZYMES | ||
| Other Test Name | : | Lactate Dehydrogenase |
| Special Instruction | : | – Separate serum from red cells within 2 hours of collection Do not refrigerate samples prior to centrifugation |
| Specimen Requirements | : | Specimen: Serum Volume: 3mL Minimum Volume: 1mL Container: Red or Gold tube |
| Causes for Rejection | : | – Quantity not sufficient – Improper collection tube used – Improperly labeled specimen – Hemolyzed sample |
| Stability Requirements | : | Room Temperature: 7 days Refrigerated: 4 days (SERUM MUST BE SEPARATED FROM GEL SEPARATOR) Freezer: 6 weeks (SERUM MUST BE SEPARATED FROM GEL SEPARATOR) |
| Use | : | – Mainly used to check for tissue damage |
| Methodology | : | – Kinetic UV assay |
| Limitation | : | – Waldenstrom’s macroglobulinemia |