Ammonia, Plasma
| CPT Code(s): | 82140 |
| Specimen Required: | Patient Preparation: Collect: Green (sodium or lithium heparin). Collect on ice. Specimen Preparation: Separate plasma from cells and freeze within 15 minutes of draw time. Specimens need to be spun in a refrigerated centrifuge. Transfer 2 mL plasma to an RDL Standard Transport Tube. (Min: 0.25 mL) Storage/Transport Temperature: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. Stability: After separation from cells: Ambient: Unacceptable; Refrigerated: 2 hours; Frozen: 3 weeks (do not thaw) |
| New York DOH Approval Status: | This test is New York DOH approved. |
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