Specimen:
Collect
- One Lavender (EDTA)
Also Acceptable:
- One Green Top (Li Heparin)
- One Green Top (Na Heparin)
- One Pink Top (EDTA)
Submit
- 2 mL (Min:1 mL) Plasma in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.
Also Acceptable:
- 2 mL (Min:1 mL) Plasma in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.
- 2 mL (Min:1 mL) Plasma in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.
- 2 mL (Min:1 mL) Plasma in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.
Special Handling
- Critical Frozen
- Separate aliquot required for each frozen test ordered
- Centrifuge within 1 hour.
Drug and medications may affect results and should be discontinued for at least 72 hours prior to specimen collection, if possible.
Collection of the specimen after the patient has rested for 15 minutes in a supine position is recommended.
Rejection Criteria
- Grossly Hemolyzed Samples
- Plasma separator tubes. Body fluids other than plasma.
Stability
Ambient: Unacceptable; Refrigerated: 10 Day(s); Frozen: 1 Month(s); Incubated: Unacceptable
Methodology
- Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed
Sun-Sat
Reported
3-6 Day(s)
CPT Codes
- 83835
Interpretive Data
Please see report for interpretive data.
Components
- 93533 - METANEPHRINE
- 93534 - NORMETANEPHRINE
- 93512 - INTERPRETATION
Last Updated: May 11, 2025 @ 9:13 am
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