Sulfonamides (Sulfas) : ARUP Lab Tests

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Sulfonamides (Sulfas) : 0020044

Mnemonic: SULFA

Methodology:	Quantitative Colorimetry
Performed:	Tue, Fri
Reported:	1-5 days
Specimen Required:	Patient Prep: Draw peak specimen 2 hours post dose. Collect: Plain red. Also acceptable: Lavender (K₂ or K₃EDTA) or pink (K₂EDTA). Specimen Preparation: Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL) Storage/Transport Temperature: Refrigerated. Remarks: Indicate which sulfa drug is being administered. Unacceptable Conditions: Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution). Stability (collection to initiation of testing): After separation from cells: Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 2 weeks

Reference Interval: Therapeutic Range: 5.0-15.0 mg/dL Toxic: > 20.0 mg/dL
Interpretive Data:	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.
CPT Code(s):	80299
Cross References:	Adiazine (Sulfonamides (Sulfas)), AzoGantanol (Sulfonamides (Sulfas)), Bactrim (Sulfonamides (Sulfas)), CoTrimazine, Ingredient of (Sulfonamides (Sulfas)), Eskadiazine (Sulfonamides (Sulfas)), Gantanol (Sulfonamides (Sulfas)), Gantricin (Sulfonamides (Sulfas)), Gantrim (Sulfonamides (Sulfas)), Microsulfon (Sulfonamides (Sulfas)), Nu-Cotrimox (Sulfonamides (Sulfas)), Pediazole (Sulfonamides (Sulfas)), Septra (Sulfonamides (Sulfas)), SIS-Sulfisoxazole (Sulfonamides (Sulfas)), SMX - Sulfamethoxazole (Sulfonamides (Sulfas)), Sulfa Drugs (Sulfonamides (Sulfas)), Sulfadiazine (Sulfonamides (Sulfas)), Sulfamethoxazole (Sulfonamides (Sulfas)), Sulfapyrimidine (Sulfonamides (Sulfas)), Sulfotrim (Sulfonamides (Sulfas)), Trimethoprim (Sulfonamides (Sulfas)), Triple Sulfa (Sulfonamides (Sulfas))

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