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Test ID DULOX Duloxetine, Serum

Reporting Name

Duloxetine, S

Useful For

Monitoring serum concentration during therapy 

 

Evaluating potential toxicity 

 

Evaluating patient compliance

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Serum Red


Specimen Required


Container/Tube: Red top

Specimen Volume: 1 mL

Collection Instructions: 

1. As is the case for most therapeutic drugs, trough specimens are preferred for monitoring duloxetine concentrations and should be drawn immediately before the next scheduled dose.

2. Spin down within 2 hours of draw.


Specimen Minimum Volume

0.2 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Refrigerated (preferred) 14 days
  Frozen  14 days
  Ambient  24 hours

Reference Values

60-120 ng/mL

Day(s) and Time(s) Performed

Wednesday; 12 a.m.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

80332

G0480 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
DULOX Duloxetine, S In Process

 

Result ID Test Result Name Result LOINC Value
89305 Duloxetine, S 46227-5

Reject Due To

Hemolysis

Mild reject; Gross reject

Lipemia

Mild OK; Gross OK

Icterus

Mild OK; Gross OK

Other

Serum gel tube

 

Method Name

High-Turbulence Liquid Chromatography Mass Spectrometry (HTLC-MS/MS)