Specimen:

Plasma

Collection Medium:

Alternate
Collection Media:

Call laboratory for additional acceptable specimen collection 
containers.

Minimum:

2 ml whole blood in light green top tube or one 0.4 ml microtube.

Testing Schedule:

24 hrs/day, 7 days a week, including holidays.

Analytic Time:

2 hours (upon receipt in laboratory)

Reference Range:

peak 30-40 mcg/ml; (30-60 minutes after I.V. infusion)
trough  5-10 mcg/ml; (not more than 30 minutes before next dose)

Critical value: >50 mcg/ml

Methodology:

EIA (Enzymatic)

CPT Code:

80202

See Additional Information:
Chemistry Critical Lab Values