A
5200 Harry Hines Blvd.
,
Dallas
,
TX
75235
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General Information
Alias: Fractionated Metanephrines, Nonmetanephrines, NMN
Performed: Sun-Sat
Turn Around Time: 3-4 days
CPT Codes: 83835
Performed By: Referral Lab
Notes: Drugs 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.
Clinical Utility: First-line test in suspected pheochromocytoma.
Link:
Metanephrines, Plasma (Free)
Components
Name |
Method |
Sex |
Age Range |
Ref. Range Low |
Ref. Range High |
Units |
Metanephrines, Free, Plasma |
LC-MS/MS |
|
|
|
<0.50 |
nmol/L |
Normetanephrine,Free, Plasma |
LC-MS/MS |
|
|
|
<0.90 |
nmol/L |
Specimen Requirements
Type |
Container |
Volume |
Units |
Collection / Delivery |
Storage / Transport |
Off Campus |
Blood |
Lavender EDTA(K2), 4mL |
|
|
Deliver to lab within 1 hour of collection |
Room Temperature |
On campus collection only |