Nortriptyline (Aventyl) (LABCORP)

Test Code

99901000152

Alias/See Also

LAB807: Nortriptyline level (Aventyl) | LABCORP EAP: 007393

CPT Codes
80335x1

Preferred Specimen

LABCORP LAB: RED TOP - PLAIN (Refrigerated) Min Vol: .5

Other Acceptable Specimens

LABCORP LAB: LIME TOP- LIHEP: (Refrigerated) Min Vol: .5

Instructions

Adults: 3 mL red-top tube *Pediatric minimum: 1 red top microtainer*

Transport Temperature

Specimen: Serum or plasma Volume: 1 mL Minimum Volume: 0.8 mL Container: Red-top tube or green-top (heparin) tube. Do not use a gel-barrier tube. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant. Collection: Transfer separated serum or plasma to a plastic transport tube. IV: two to four hours after loading dose. Oral: peak: three to nine hours after dose, immediately prior to next dose. Optimal resampling after change in dosage: 48 hours. Storage Instructions: Room temperature Stability: Room temperature: 14 days Refrigerated: 14 days Frozen: 14 days

Report Available

LABCORP LAB
STAT: 5760 min
Routine: 5760 min
Extended TAT: No TAT min
Timed: 5760 min
Life or Death: 5760 min

Last Updated: March 6, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.