Lactate Dehydrogenase, Isoenzymes LDISO
|Collect||One 5 mL gold (SST) or plain red top tube.|
1 mL serum room temperature. (Min: 0.6 mL) Do NOT refrigerate or freeze.
Separate serum from cells ASAP or within 2 hours of collection. Hemolyzed specimens and serum which has not been separated from cells show elevated LD-1, LD-2, LD-3, LD-4 and LD-5 are labile at low temperatures and are erroneously low in samples that have been refrigerated or frozen.
|Stability||After separation from cells: Ambient: 1 week; Refrigerated: Unacceptable; Frozen: Unacceptable|
|Unacceptable Conditions||Frozen, refrigerated, or hemolyzed specimens. Specimens collected with EDTA, potassium oxalate, or sodium fluoride anticoagulants.|
|CPTCode||83625 LD Isoenzymes; 83615 Total LD|
Allow serum to clot completely at room temperature. Separate serum from cells ASAP.
|Preferred Specimen Collection Device(s)|
Lactate Dehydrogenase, Total: