Specimen Collection Manual and Test Catalog
NORTRIPTYLINE
Geisinger Epic Procedure Code: LAB2770 Geisinger Epic ID: 21986SPECIMEN 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:
3 mL aliquot of serum or plasma; minimum 1.5 mL.
Special notes:
Do not use serum separator/gel barrier tubes.
Patient preparation:
If medication is taken at bedtime, draw blood 10-12 hours later. For a more frequent dosage schedule, draw blood just before receiving medication.
SPECIMEN PROCESSING
Processing instructions:
Serum: Allow to clot. Centrifuge 10 minutes at 3000 rpm. Plasma: Centrifuge 10 minutes at 3000 rpm.
Transport temperature:
Refrigerated.
Specimen stability:
Room Temperature: 5 days. Refrigerated: 7 days. Frozen: 1 month.
Rejection criteria:
Gross hemolysis. Specimen collected in gel barrier tubes. Stability limits exceeded.
TEST DETAILS
CPT code(s):
80335
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.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Nortriptyline
Methodology:
Chromatography/Mass Spectrometry
Synonyms:
Review Date:
11/12/2024 NORT, Pamelor, Aventyl, Quest test code 272
Performing Locations