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| 88281:SULFONAMIDES (SULFAS) | |||||||||
| Alias Names: | Sulfa / Bactrim / Gantricin / Septra / Sulfa Drugs | ||||||||
| Methodology: | Spectrophotometry (S) | ||||||||
| Edit Date: | 3/17/2010 | ||||||||
| Performed: | Tuesday, Friday | ||||||||
| Released: | 1-5 Days after setup at PeaceHealth Laboratories’ reference lab | ||||||||
| CPT Code: | 80299-90 | ||||||||
| Specimen Collection Details | |||||||||
| Collection: | One 5 mL red top tube. Draw peak sample 2 hours post dose. Also acceptable: One 4 mL green top tube (heparin), 4 mL lavender top tube (EDTA), or one 4 mL grey top tube (sodium fluoride/potassium oxalate). | ||||||||
| Handling: | Allow to clot, centrifuge and separate serum or plasma into a plastic vial. NOTE: Indicate which sulfa drug is being administered. Refrigerate. | ||||||||
| Stability: | 14 days ambient, 14 days refrigerated, or 14 days frozen. | ||||||||
| Standard Volume: | 1 mL serum or plasma | ||||||||
| Minimum Volume: | 0.5 mL serum or plasma | ||||||||
| Comments: | This test is designed to measure sulfamethoxazole and sulfisoxazole. Peak sulfonamide (total) blood levels of 5-15 mg/dL may be effective for most infections, with concentrations of 12-15 mg/dL being optimal for serious infections. Sulfonamide levels should not exceed 20 mg/dL.
This test may require insurance company prior authorization before ordering.
Please check the prior authorization list . Failure to gain preauthorization may result in denial of coverage. |
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| Therapeutic Range | 5.0-15.0 mg/dL | ||||||||||||||||||
| Toxic | >20.0 mg/dL | ||||||||||||||||||