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HelpTest Code LAB68 Ferritin
Clinical System Name
Ferritin
Synonyms
FERR
Sample Requirements
Specimen: Whole blood
Container(s): Gold SST, Red, Gold Microtainer, Lt. Green/Lithium Heparin Microtainer, Lavender/EDTA
Preferred Vol: 1.0 mL
Minimum Vol: 0.5 mL
Processing Instructions
Reject due to:
Spin: Y
Aliquot: Y
Temp: 2-8 C
Storage location: CPA refrigerator, FrigD rack. Serum/plasma should be removed from separator for storage. Frozen plasma is unacceptable.
Off-site collection: Spin blood. Transfer serum/plasma to aliquot container. Refrigerate. Frozen plasma is unacceptable.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| gel separator with serum/plama | Refrigerated | 24 h |
| separated serum/plasma | Room temp | 2 h |
| separated serum/plasma | Refrigerated | 7 d |
| separated serum | Frozen -20 C | 1 yr |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M-Sa, dayshift | 1-3 d |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem West
Phone Number: (206) 987-2617
CPT Codes
82728
Methodology
Method: Chemiluminescent microparticle immunoassay (CMIA) by Abbott Alinity i
Analytical Volume: 0.150 mL serum
Limitations:
Reference Range
Ferritin transitioned platforms from Ortho Vitros 3600 to Abbott Alinity i on August 8, 2022.
At concentrations >100 ng/mL, there is a 30% positive bias with the new method.
| Female | ng/mL | Male | ng/mL |
|---|---|---|---|
| 0 - 14 d | 100 - 717 | 0 - 14 d | 100 - 717 |
| 15 d - <6 mo | 14 - 647 | 15 d - <6 mo | 14 - 647 |
| 6 mo - <1 yr | 10 - 182 | 6 mo - <1 yr | 10 - 182 |
| 1 - <5 yr | 10 - 100 | 1 - <5 yr | 10 - 100 |
| 5 - <14 yr | 14 - 79 | 5 - <14 yr | 14 - 79 |
| 14 - <19 yr | 10- 67 | 14 - <16 yr | 13 - 83 |
| >19 yr | 10 - 204 | 16 - <19 yr | 11 - 172 |
| >19 yr | 22 - 275 |
Visit ADLM's Guide to Ferritin in Pediatrics for more information.