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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