Test Summary Sheet for:

Purpose
Therapeutic Drug Monitoring
Method(s)
High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS)
Suggested CPT Code(s)
80156
80157x2
New York State Approval Status

Approved

Turnaround Time

8 days

Test Includes
1 Carbamazepine-10,11-Epoxide - Free Carbamazepine Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.2 Anticonvulsant, Antiepileptic
2 Carbamazepine - Free Tegretol® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.2 Anticonvulsant, Antiepileptic
3 Carbamazepine-10,11-Epoxide - Total Carbamazepine Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.2 Anticonvulsant, Antiepileptic
4 Carbamazepine - Total Tegretol® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.2 Anticonvulsant, Antiepileptic
5 Carbamazepine-10,11-Epoxide - Bound Carbamazepine Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.2
6 Carbamazepine - Bound Tegretol® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.2

Test Also Known As
Epitol®
Specimen Type
Serum or Plasma
Requested Volume
2 mL
Minimum Volume
1.0 mL
Special Handling
Serum: Collect sample in Red top tube
Plasma: Collect sample in Lavender top tube (EDTA) or Pink top tube.
Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines.
Specimen Container
Plastic container (preservative-free)

Additional Collection Instructions

Transport Temperature
Refrigerated
Light Protection
Not Required
Rejection Criteria
Polymer gel separation tube (SST or PST).

Rejection criteria pertain to clinical specimen submissions only.

Stability
Room Temperature: Undetermined
Refrigerated: 22 day(s)
Frozen (-20 °C): Undetermined
1 Carbamazepine-10,11-Epoxide - Free Carbamazepine Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.2 Anticonvulsant, Antiepileptic
2 Carbamazepine - Free Tegretol® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.2 Anticonvulsant, Antiepileptic
3 Carbamazepine-10,11-Epoxide - Total Carbamazepine Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.2 Anticonvulsant, Antiepileptic
4 Carbamazepine - Total Tegretol® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.2 Anticonvulsant, Antiepileptic
5 Carbamazepine-10,11-Epoxide - Bound Carbamazepine Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.2
6 Carbamazepine - Bound Tegretol® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) mcg/mL 0.2

Interface Map

LOINC® Information

The CPT Codes provided in this document are based on AMA Guidelines and are for informational purposes only. NMS Labs Does not assume responsibility for billing errors due to Reliance on the CPT Codes listed in this document.

*The information contained in this document represents database configurations, as they will appear on the effective date listed above.