Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

CLONAZEPAM LEVEL

General Information

Lab Order Codes:

CLZ

Synonyms:

Klonopin®; Clonopin, Nitrozepane; Rivotrol

CPT Codes:

80154 - Benzodiazepines

Test Includes:

Clonazepam level reported in ng/mL.

Logistics

Test Indications:

Clonazepam is a long-acting benzodiazepine restricted in use to those patients who have responded for seizure control only to diazepam, but who no longer respond to diazepam within non-toxic levels. Clonezepam is an effective anticonvulsant, but used only as a last resort because of its side effects.

Lab Testing Sections:

Chemistry - Sendouts

Referred to:

Mayo Medical Laboratories (MML Test: 500108/CLONS)

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

Varies, batched 3 times weekly

Special Instructions:

N/A

Specimen

Specimen Type:

Blood

Container:

Red top tube, no gel

Draw Volume:

7.5 mL (Minimum: 6 mL) blood

Processed Volume:

2.5 mL (Minimum: 2 mL) serum

Collection:

Routine venipuncture

Special Processing:

Lab Staff: Centrifuge specimen, remove serum aliquot into a screw-capped round bottom plastic vial. Store and ship at refrigerated temperatures. Forward promptly.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimens; collected in gel tube

Interpretive

Reference Range:

20 – 60 ng/mL

Critical Values:

>100 ng/mL

Limitations:

N/A

Methodology:

High-Performance - Liquid Chromatography (HPLC)

References:

Mayo Medical Laboratories September 2013

Updates:

3/1/2004: Test moved from MedTox Laboratories to Mayo Medical Laboratories. Note: change in reference range from 20-60 ng/mL to 10-50 ng/mL.
4/22/2010: MML made test 8385 obsolete and started referring test 500108 to MML New England. Note updated ref range and method.
3/18/2014: Draw volume and minimum increase per MML.



  Lab Test Directory
    Chemistry
    Coagulation
    Flow/Immunology
    Hematology
    Microbiology/ Virology
    Other Fluids
    Pathology
    Serology
    Transfusion Services
    Urine/Stool

  Search Lab Test Directory
    List All Documents

  Lab Staff

  E-mail Lab Services