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HelpTest Code TMP Trimethoprim, Serum
Reporting Name
Trimethoprim, SUseful For
Monitoring trimethoprim therapy to ensure drug absorption, clearance, or compliance
Specimen Required
Collection Container/Tube: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Serum for a peak level should be drawn at least 60 minutes after a dose.
2. Spin down within 2 hours of draw.
Specimen Type
Serum RedSpecimen Minimum Volume
0.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum Red | Refrigerated (preferred) | 28 days |
| Ambient | 28 days | |
| Frozen | 28 days |
Day(s) and Time(s) Performed
Monday, Thursday; 1pm
Performing Laboratory
Mayo Medical Laboratories in Rochester
Method Name
High-Performance Liquid Chromatography (HPLC)
Method Description
Acetonitrile precipitation with analysis by HPLC.(Unpublished Mayo method)
Reference Values
>2.0 mcg/mL
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
80299
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| TMP | Trimethoprim, S | 11005-6 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 80146 | Trimethoprim, S | 11005-6 |
Reject Due To
|
Hemolysis |
Mild OK; Gross OK |
|
Lipemia |
Mild OK; Gross OK |
|
Icterus |
Mild OK; Gross OK |
|
Other |
Serum gel tube |