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HelpFluoxetine, Serum
Additional Codes
LAB3056
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Serum RedSpecimen Required
Collection Container/Tube: Red top (serum gel/SST are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Draw blood immediately before the next scheduled dose (trough).
2. Centrifuge and aliquot serum into plastic vial within 2 hours of collection.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum Red | Refrigerated (preferred) | 28 days |
| Frozen | 28 days | |
| Ambient | 72 hours |
Reference Values
Fluoxetine + Norfluoxetine: 120-500 ng/mL
Day(s) Performed
Wednesday
CPT Code Information
80299
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FLUOX | Fluoxetine, S | 78437-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 80228 | Fluoxetine, S | 74982-0 |
| 251 | Norfluoxetine, S | 3868-7 |
| 252 | Fluoxetine+Norfluoxetine | 74948-1 |
Report Available
1 to 8 daysSpecimen Retention Time
14 daysForms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.