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LD, Isoenzymes

Centralized Core Laboratory - Cleveland Clinic Laboratories : Send Out

Test ID :
Test Workstation :
Specimen Type:
Tube Type:
Gold top SST (serum separator tube, no anticoagulant)
Alternate Tube Type:
Red Top Serum
Collection Volume:
2.5 mL
Minimum Volume:
1.5 mL
Sent to reference lab
LD: Enzymatic, Isoenzymes: Electrophoresis
Special Instructions:
Days Performed: SunSat Remove serum from cells ASAP
2-3 days
Additional Info:
Reference Range: Lactate Dehydrogenase:
  • Age: 0-30 Days; Range: 200-465 U/L
  • Age: 1-17 Months; Range: 200-450 U/L
  • Age: 18-24 months; Range: 165-430 U/L
  • Age: 3-10 Years; Range: 165-430 U/L
  • Age: 11-16 Years; Range: 127-287 U/L
  • Age: 17-99 Years; Range: 105-230 U/L
  • LD1: Range: 14-27%
  • LD2: Range: 29-42%
  • LD3: range: 18-30%
  • LD4: Range:8-15%
  • LD5: Range: 6-23%
  • CPT Code:
    83615, 83625
    Panel Includes:
    Lactate Dehydrogenase, LD1, LD2, LD3, LD4, LD5
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