Serotonin

Centralized Core Laboratory - Mayo Clinic Laboratories : Send Out

PATIENT INFO

Patient Name:

Medical Record #:

BD: / / Sex: F M

PHYSICIAN INFO

Physician Name :

Address:

Ph: ( ) - Fax: ( ) -

Additional Report to:

Ph: ( ) - Fax: ( ) -

TESTS REQUESTED
Test Name:	ICD9 Code: (required)
1. Serotonin
2.
3.
4.
5.
6.

SPECIMEN INFO

Collection Date & Time:

Collected By:

Hospital:

Test ID :

SEROT

Test Workstation :

MAYO

Specimen Type:

Blood

Tube Type:

Red top (no anticoagulant) tube

Collection Volume:

6.5 mL (minimum 3.0 mL)

Storage:

Refrigerated

Availability:

Sent to reference lab

Methodology:

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Special Instructions:

1. Patients should not eat avocados, bananas, butternuts, cantaloupe, dates, eggplant, grapefruit, hickory nuts, honeydew melon, kiwifruit, melon, nuts, pecans, pineapple, plantains, plums, tomatoes, or walnuts, which are high in serotonin for 48 hours before and during collection. 2. Patient should discontinue medications that may elevate urine serotonin concentration including lithium, monoamine oxidaseinhibitors, methyldopa, morphine, and reserpine. Patient should discontinue use of selective serotonin reuptake inhibitors (SSRI; eg, PROZAC) that can lead to depletion of platelet serotonin levels and result in falsenegative urine serotonin tests. Days Performed: Mon, Wed, Fri

Lab/Phone:

330-543-8418

TAT:

5-8 days

Additional Info:

Reference range: < or = 230 ng/mL

CPT Code:

84260

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Serotonin

Centralized Core Laboratory - Mayo Clinic Laboratories : Send Out

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