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Ammonia Nitrogen, Plasma
Test CodeNH3
Preferred Specimen
3.0 mL EDTA (lavender top tube)
Instructions
1. Collect blood from stasis-free vein of fasting patient. Smoking should be avoided prior to sampling.
2. Tube should be filled completely and kept tightly stoppered at all times.
3. Test must be performed immediately after collection and transported on ice.
2. Tube should be filled completely and kept tightly stoppered at all times.
3. Test must be performed immediately after collection and transported on ice.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed, clotted, lipemic, and short filled specimens.
Reference Range
EDTA plasma:
15-45 umol/L
15-45 umol/L
Performing Laboratory
Little Company of Mary Hospital
2800 W. 95th St.
Evergreen Park, IL 60805
