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Carbamezapine Level
MessageChemistry
Test Code
LAB21
Alias/See Also
Tegretol
CPT Codes
80156
Includes
Carbamezapine / Tegretol
Preferred Specimen
Gold top (serum separator tube)
Minimum Volume
Whole blood: 600 uL ( one full light-green-top microtainer or two full red-top microtainers).
Serum/plasma: 300 uL plasma.
Other Acceptable Specimens
Red Top and Light green top (lithium heparin plasma) acceptable
Specimen Stability
Ambient: up to 5 days
Refrigerated: 5 days
Frozen: up to 6 months
Refrigerated: 5 days
Frozen: up to 6 months
FDA Status
Approved
Setup Schedule
Everyday
Report Available
Same day
Limitations
LAB:
Specimens with low total protein <4.0 g/dL may give a negative bias greater than -1.4 μg/mL. Specimens with an elevated total protein >9.0 g/dL may give a positive bias greater than +1.4 μg/mL.
Specimens with low total protein <4.0 g/dL may give a negative bias greater than -1.4 μg/mL. Specimens with an elevated total protein >9.0 g/dL may give a positive bias greater than +1.4 μg/mL.
Reference Range
Therapeutic: 4 - 12 mcg/ml
Toxic: Greater than 12 mcg/ml
Toxic: Greater than 12 mcg/ml
Performing Laboratory
Hoag Newport
