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Lactate Dehydrogenase
MessageElevations in serum lactate dehydrogenase (LD) occur from myocardial infarction, liver disease, pernicious and megaloblastic anemias, pulmonary emboli, malignancies, and muscular dystrophy.
Test Code
LD
Alias/See Also
LAB3000090
LD
LD
CPT Codes
83615
Preferred Specimen
2.0 mL serum collected in a gold serum separator tube (SST)
Minimum Volume
0.5 mL serum
Other Acceptable Specimens
2.0 mL serum collected in an orange rapid clot serum separator tube (RCT)
2.0 mL plasma collected in a light green lithium heparin plasma separator tube (PST)
2.0 mL plasma collected in a light green lithium heparin plasma separator tube (PST)
Specimen Stability
May only be held at room temperature (15-25oC) with analysis to be done as soon as possible.
Reference Range
| Sex | Age | Reference Range |
|---|---|---|
| M | 0 - 1 month | 125 - 735 U/L |
| F | 0 - 1 month | 145 - 765 U/L |
| M | 2 months - 1 year | 170 - 450 U/L |
| F | 2 months - 1 year | 190 - 420 U/L |
| M | 2 - 6 years | 155 - 345 U/L |
| F | 2 - 3 years | 165 - 395 U/L |
| F | 4 - 6 years | 135 - 345 U/L |
| M | 7 - 9 years | 145 - 300 U/L |
| F | 7 - 9 years | 140 - 280 U/L |
| M | 10 -12 years | 120 - 325 U/L |
| F | 10 - 12 years | 120 - 260 U/L |
| M | 13 - 15 years | 120 - 290 U/L |
| F | 13 - 15 years | 100 - 275 U/L |
| M/F | 16 - 150 years | 129 - 260 U/L |
Performing Laboratory
Penn Medicine Lancaster General Health
