Ferritin


Abbrev Code:FERTN   
Order Code:LAB68Order Name:Ferritin
Methodology:Roche: Electrochemiluminescence immunoassay (ECLIA)
Vista: Chemiluminescence
CPT Codes: 82728 x1, 82728 x1
Turnaround Time:Performed and reported 24 hours/day.
Associated Links:

Roche Go Live Schedule



Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Collection Instructions:Chemistry Tests Containers Chart

Collect sample before patient is given therapeutic iron or a blood transfusion. Blood transfusion can transiently increase in serum ferritin that peaks 24 hours post-transfusion, particularly if the blood has been stored for a longer period. (Blood 2011 Dec 15; 118(25):6675-82; Blood 1980 July;56(1):138-140).Therefore, if a patient has received blood, delay testing for several days to avoid false elevation of ferritin.
Causes for Rejection:Gross hemolysis; gross icterus
Contraindications:Large doses of biotin (10 mg or more per day) may cause clinically significant interference in ferritin levels. If interference is suspected, it is strongly recommended that biotin is discontinued for at least one week prior to retesting.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot within 2 hours of collection, 1.25 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Roche: 48 hours at room temperature; 7 days refrigerated; 12 months frozen.
Vista: 7 days refrigerated; 6 months frozen   
Test Performed at or Referral Lab Chemistry  (Clinics, CSC Maple Grove, Grand Itasca, Northland, Oxboro Clinic, Range, Roche-Lakes, Roche-UMMC East, Southdale, UMMC West Bank)


Interpretive

Reference Range:
Site Age Female
(ng/mL)
Male
ng/mL)
GH Remisol All ages 24-336 24-336
Architect (LHE) 13 mo-4 y 6-24 6-24
Architect (LHE) 5-9 y 10-55 10-55
Architect (LHE) 10-19 y 6-40 23-70
Architect (LHE) 20 y & older 10-130 27-300
Vista 6 mo-14 y 7-142 7-142
Vista 15-45 y 12-150 26-338
Vista 46 y & older 8-252 26-338
Roche 7 mo-9 y   6-111
Roche 7 mo-17 y 8-115  
Roche 10-17 y   15-201
Roche 18-50 y 6-175 31-409
Roche 51 y & older 11-328 31-409
 


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