ARUP Test Catalog
ARUP Consult Guide
Lab Tests Online
 
LD ( LDH or Lactate Dehydrogenase) Isoenzymes, Serum

Mnemonic:    [LDH ISO]
Name:    LD ( LDH or Lactate Dehydrogenase) Isoenzymes, Serum
Specimen:    1 mL serum from a Red SST or Red top tube. Separate serum from cells ASAP. Do NOT freeze or refrigerate.

Hemolyzed samples are unacceptable.
Minimum Spec:    0.6 mL
Transport Temp:    Store and transport sample at Room Temperature.
Spec Stability:    Stable 7 days ambient.
Ref Lab/Code:    ARUP 0020413
  Method:    Electrophoresis
Note:    Note: LD-1 and LD-2 are elevated in hemolyzed specimens and serum which has not been separated from cells. LD-3, LD-4, and LD-5 are labile at low temperatures, and are erroneously low in specimens that have been refrigerated or frozen.