Test Details
Mnemonic
AMKTR
Ordering Code
1750230
CPT-4 Code(s)
80150
Specimen Information
Collect
Red top
Specimen Preparation
Centrifuge, separate serum from cells and send 0.5 mL serum in a screw capped plastic vial. Please specify peak, trough or random level and order on separate requisitions. Collect trough just before next dose; 30 - 45 minutes after IV dose or 1 - 2 hours after IM dose for peak.
Alternate Specimen
Plasma: Lavender EDTA, light blue sodium citrate, potassium oxalate
Minimum Volume
0.2 mL
Transport Temperature
Refrigerated
Rejection Criteria
Serum separator tube (SST), whole blood, heparinized plasma, grossly lipemic, hemolyzed, and icteric specimens.
Stability
Room temperature: Unacceptable
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
Methodology
Enzyme Immunoassay
Reference Range
Therapeutic:
Peak: 15 – 30 µg/mL
Trough: <10 µg/mL
Toxic:
Peak: >35 µg/mL
Trough: >10 µg/mL
Peak: 15 – 30 µg/mL
Trough: <10 µg/mL
Toxic:
Peak: >35 µg/mL
Trough: >10 µg/mL
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes