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Test Name: Ammonia, Plasma
Test Code: 007054
Other Names: N/A
Test Includes: Ammonia, Plasma
Specimen Requirements: Plasma, FROZEN, 1 mL
Container: Lavender-top (EDTA) tube; EDTA is the only acceptable anticoagulant.
Collection Instructions: Tube must be filled completely and kept tightly stoppered at all times. Mix well. Specimen must be placed on ice immediately. Separate plasma from cells within 15 minutes of collection. Patient should NOT clench fist. Transfer specimen to plastic transport tube before freezing. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested. Avoid contamination of samples by ammonia from smoking or traffic in the laboratory or patient's room, glassware, or water.
Stability: FREEZE. Ammonia is stable for several days at -20(degrees)C. CAUTION: Blood ammonia increases rapidly at room temperature.
Rejection Criteria / Special Instructions: Date and time specimen was drawn must be written on tube of blood and request form.
Methodology: Enzymatic