Skip to Content
UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Duloxetine

Test Code(s): MISC / RMISC

CPT Code(s): 83789

Methodology: High Performance Liquid Chromatography

Testing Site: Testing will be sent to an approved reference laboratory.

Days Performed: Daily.

Specimen Requirements

Specimen: Blood

Collection Container: Preferred: Red top
Also Acceptable: Lavender top

Collection Volume: Preferred: 4 mL
Pediatrics: 1.5 mL

Sample Analyzed: Serum or plasma

Volume Required: Preferred: 1 mL
Pediatrics: 0.4 mL

Specimen Processing: Protect from light during collection and transport.  Centrifuge and place serum in ARUP amber transport vial or wrap in foil.  

Specimen Transport: Protect from light during collection and transport. Transport specimen to UWHC Core Laboratory (B4/220) as soon as possible.

Unacceptable Criteria: Specimens not protected from light.  Tubes with gel.

Stability: Ambient: 30 days
Refrigerated: 30 days
Frozen: 12 months (-20°C)



Back to Lab Test Directory Index