Test Code LD Lactate Dehydrogenase (LD), Plasma
Performing Laboratory
NRL-Chemistry
Methodology
Enzymatic Rate
Note: Do not confuse this test with #LA
“Lactic Acid, Plasma or Spinal Fluid.”
Specimen Requirements
Specimen Type: Plasma
Container/Tube: Light-green top (lithium heparin)
Specimen Volume: 2 mL
Collection Instructions:
1. Spin down unopened (vacuum intact) tube within 45 minutes of draw.
2. Avoid hemolysis.
3. Label specimen as plasma.
Specimen Transport Temperature
Refrigerate
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT-45 minutes
Routine-shift
Reference Values
0-1 year: 140-325 U/L
2-4 years: 140-320 U/L
5-11 years: 130-260 U/L
12-15 years: 130-250 U/L
≥16 years: 100-220 U/L
Test Classification and CPT Coding
83615