Clonazepam | Test Detail | Quest Diagnostics

Clonazepam

Test Code

340

CPT Code(s)

80299

CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.

Test Code

340

CPT Code(s)

80299

CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection is not available in your area through Quest Mobile.

Clinical Significance

Clonazepam -

Clonazepam is a benzodiazepine used as a tranquilizer. Clonazepam is used in treating patients with seizures and in reducing tardive dyskinesia. Therapeutic drug monitoring is useful to avoid toxicity.

Test Resources

Topic Brief

Drug Half-Life, Steady State, and Recommended Sample Collection Time

Test Details

Patient Preparation

Collect at trough concentration, immediately before the administration of the next dose

Methodology

Chromatography/Mass Spectrometry

Assay Category

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Reference Range(s)

30-60 mcg/L

Alternative Name(s)

Clonopin, Klonopin, Rivotril

LOINC® Codes, Performing Laboratory

Service Area must be determined

Patient Preparation

Collect at trough concentration, immediately before the administration of the next dose

Methodology

Chromatography/Mass Spectrometry

Assay Category

Reference Range(s)

30-60 mcg/L

Alternative Name(s)

Clonopin, Klonopin, Rivotril

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

2 mL serum collected in a red-top tube (no gel)

Alternative Specimen(s)

Plasma collected in: EDTA (lavender-top) tube, sodium heparin (green-top) tube, or lithium heparin (green-top) tube

Minimum Volume

1 mL

Transport Container

Transport tube

Transport Temperature

Frozen

Specimen Stability

Room temperature: 24 hours
Refrigerated: 72 hours
Frozen: 14 days

Reject Criteria

Serum separator tube (SST)

Setup Schedule

Service Area must be determined

Preferred Specimen(s)

2 mL serum collected in a red-top tube (no gel)

Alternative Specimen(s)

Plasma collected in: EDTA (lavender-top) tube, sodium heparin (green-top) tube, or lithium heparin (green-top) tube

Minimum Volume

1 mL

Transport Container

Transport tube

Transport Temperature

Frozen

Specimen Stability

Room temperature: 24 hours
Refrigerated: 72 hours
Frozen: 14 days

Reject Criteria

Serum separator tube (SST)

Setup Schedule

Service Area must be determined

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection is not available in your area through Quest Mobile.

Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of Services.