Home
HelpTest Code SFZM Sulfamethoxazole, Serum
Additional Codes
| Mayo | SFZ |
| Epic ID | LAB5453 |
Specimen Type
Serum RedSpecimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Red top (gel tubes/SST are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Serum for a peak level should be collected 60 minutes after dose.
2. Within 2 hours of collection, centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum Red | Refrigerated (preferred) | 28 days |
| Ambient | 28 days | |
| Frozen | 28 days |
UPH Waterloo Region Lab Test Catalog
Note:
Transport refrigerated.
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Liquid Chromatography Mass Spectrometry (LC-MS/MS)
Useful For
Monitoring sulfamethoxazole therapy to ensure drug absorption, clearance, or compliance
Day(s) Performed
Monday, Thursday
Report Available
2 to 5 daysReference Values
>50 mcg/mL (Peak)
CPT Code Information
80299