Special Requirement

1 red top tube

Methodology

Timed endpoint reaction

Special Instructions

Specimen should be free of hemolyssi

Collection Days

Monday-Friday

Report Available

Daily

CPT Code

83540

Reference Range

40-150 ug/dl

Interfering Substance

The following substances were tested for interference with this methodology:
Hemoglobin, bilirubin, lipemia, magnesium, copper, EDTA, Sodium Citrate, Potassium Oxalate