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Specimen Collection Manual and Test Catalog

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CLONAZEPAM

Geisinger Epic Procedure Code:  LAB2028    Geisinger Epic ID:  14880

SPECIMEN COLLECTION
Specimen type: 

Serum (preferred) or plasma


Preferred collection container: 
Alternate collection container: 
3 mL green/black top lithium heparin tube
3 mL lavender-top (K2 EDTA) tube
4 mL green/green-top (sodium heparin) tube
Specimen required: 

2 mL aliquot of serum or plasma; minimum 1.2 mL. Please submit a separate frozen aliquot for this test. It may not be combined with any other test requiring a frozen aliquot.


Special notes: 

Do not use serum separator tube.



SPECIMEN PROCESSING
Processing instructions: 

Allow serum to clot. Centrifuge serum or plasma 10 minutes at 3000 rpm. Aliquot 2 mL serum or plasma.


Transport temperature: 

Frozen.


Specimen stability: 

Room Temperature: 1 day. Refrigerated: 3 days. Frozen (preferred): 2 weeks.


Rejection criteria: 

Serum separator tubes not acceptable.



TEST DETAILS
CPT code(s):  80299 (Unspecified quantitative therapeutic drug) or 80346 (Definitive drug)
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

Clonazepam (Klonopin).


Methodology: 
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Synonyms: 

KLONOPIN, CLONOPIN, RIVOTRIL, CLONAZ, Quest test code 340


Review Date:  11/27/2024

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