Update Type: Test Methodology Changed
Test Updated: 06/02/2022
Test Overview
Test Methodology
Equilibrium dialysis and LC-MS/MS
Reference Range *
By report
Test Details
Days Set Up
Monday - Sunday
Analytic Time
4 - 8 days
Soft Order Code
MTGRP
Laboratory
Sendout
Reference Laboratory
Mayo TGRP
Section
Special Testing
Specimen Requirements
Collection Instructions
Collect specimen in red top tube (SST not acceptable). Spin and aliquot into a screw capped, plastic tube and send to Specimen Processing, refrigerated. Not for use for Michigan Medicine patients and physicians. MLab clients only
Normal Volume
2.5 mL serum
Minimum Volume
1 mL serum
Additional Information
Test performed by Mayo Clinic Laboratories
Billing
CPT Code
84402, 84403
Fee Code
AA480, AA479
NY State Approved
No