METANEPHRINES, FRACTIONATED, PLASMA FREE
| Synonyms: | Normetanephrine; Metanephrine; Plasma Metanephrines; Quantitative Metanephrines |
| Computer Code: | (RMETP) |
| Specimen Collection: | 7 mL blood (lavender top tube). Draw in a pre-chilled tube, transport to Special Chemistry immediately on ICE. Patient should be fasting overnight, except for water. |
| Minimum Volume: | 1 Ml |
| Handling Instructions for Offsite Areas: | Centrifuge, remove plasma, refrigerate. Separate plasma from cells within 2 hours of collection. Min 0.4 plasma. |
| Reference Values: | See reference laboratory report. |
| Lab Code: | Send Out |
| Requisition: | SPEC C |
| Test Frequency: | NA |
| Routine TAT: | 7 days |
| Stat TAT: | N/A |
| CPT Code(s): | 83835 |
| LCD or NCD: | |
| Methodology Used: |
See Addendum XVII |