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St. John Health System
Lab Catalog


Index:

Ferritin

Order Name FERRITIN
Test Number: 4500800
Revision Date 11/28/2018
Test Name Methodology LOINC Code
Ferritin
Chemiluminescence Assay 2276-4 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Serum Clot Activator SST Refrigerated
Instructions Stability: Ambient 1 day. Refrigerated 7 days. Frozen 12 months.
GENERAL INFORMATION
Testing Schedule Sun - Fri 
Expected TAT 1-3 days 
Clinical Use Useful for the diagnosis of iron deficiency and iron-overload conditions. 
CPT Code(s) 82728
Internal Comments 6/15/18 Specimen stability: Ambient 8 hours. Refrigerated 7 days. Frozen 3mo.  to
Stability: Ambient 1 day. Refrigerated 7 days. Frozen 12 months. JK
added ref ranges, printed and cleared. Checking to see how it will look 11-28-2018 AKnight
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Chemistry