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Test Code CARB Carbamazepine, Total, Plasma or Serum

Additional Codes

LAB21

Collection Method

Venous collection

Minimum Volume

0.5ml

Container

Lt Green / Plasma Separator / Lithium Heparin

Acceptable Specimens

Serum:

  • Gold Top SST
  • Red Top


Plasma:

  • Light Geen Top (lithium heparin)

Reference or Target Ranges

4-12 µg/mL

Reportable Units

 µg/mL

Critical Value

≥ 12 µg/mL

Reasons for Rejection

Hemolysis Threshold 1000 mg/dL
Icterus Threshold 50 mg/dL
Lipemia Threshold 2000 mL
Other QNS, contaminated, improperly Labeled, improper specimen type

Specimen Stability

Ambient 2 days
Refrigerated (4°C to 8°C) 7 days
Frozen(-40°C to 0°C) 4 weeks

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time Stat: 1 hour
Routine: 4 hours
Stat Availability Yes
Performing Bench CPH Chemistry
Methodology/Method Description Roche Cobas

CPT Codes

80156

Last review/edit date

March 2024