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HelpTest Code CARBAM Carbamazepine LAB21
Test Method
Particle Enhanced Turbidimetric Inhibition Immunoassay;
Beckman
DXC600
Specimen Requirement
0.5 mL serum or plasma is required.
Additional Specimen Collection Information
Collect blood in a lithium heparin, green-top or red-top
tube.
Serum and plasma gel tubes are NOT acceptable. Serum or plasma
should be separated from contact with the cells within 2 hours
of
collection. Specimens not centrifuged within 4 hours of
collection
may be rejected. Refrigerate the specimen if unable to assay
within
8 hours of collection. Samples with ≥3+ lipemia must be
cleared prior to analysis.
Reference Values
4.0-12.0 mcg/dL
-
Critical Value: > 15 mcg/mL
Performance
Testing is performed Monday through Sunday.
Routine: Typically completed within 4 hours after the
specimen arrives at the testing site.
Expedite: Typically completed within 1 hour after the
specimen arrives at the testing site.
STAT: Typically completed within 30 minutes after the
specimen
arrives at the testing site.
Useful For
Monitoring therapy
Determining compliance
Assessing toxicity
LOINC Code Information
3432-2 Carbamazepine [Mass/Volume] In Serum Or Plasma
CPT Code Information
80156 Therapeutic Drug Levels, Carbamazepine; total