Test Details
Mnemonic
FER
Ordering Code
1000630
CPT-4 Code(s)
82728
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum refrigerated in a screw capped plastic vial.
Alternate Specimen
Serum: Red top
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Hemolyzed or lipemic specimens, plasma
Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Methodology
Immunoassay
Reference Range
Pediatric:
<4 days Not established
4 - 14 days 100 - 717 ng/mL
15 days - 5 months 14 - 647 ng/mL
6 - 11 months 8 - 182 ng/mL
Female:
1 - 4 years 5 - 100 ng/mL
5 - 13 years 14 - 79 ng/mL
14 - 18 years 6 - 67 ng/mL
19 - 40 years 16 - 154 ng/mL
41 - 60 years 16 - 232 ng/mL
>60 years 16 - 288 ng/mL
Male:
1 - 4 years 5 - 100 ng/mL
5 - 13 years 14 - 79 ng/mL
14 - 15 years 13 - 83 ng/mL
16 - 18 years 11 - 172 ng/mL
19 - 59 years 38 - 380 ng/mL
>59 years 24 - 380 ng/mL
<4 days Not established
4 - 14 days 100 - 717 ng/mL
15 days - 5 months 14 - 647 ng/mL
6 - 11 months 8 - 182 ng/mL
Female:
1 - 4 years 5 - 100 ng/mL
5 - 13 years 14 - 79 ng/mL
14 - 18 years 6 - 67 ng/mL
19 - 40 years 16 - 154 ng/mL
41 - 60 years 16 - 232 ng/mL
>60 years 16 - 288 ng/mL
Male:
1 - 4 years 5 - 100 ng/mL
5 - 13 years 14 - 79 ng/mL
14 - 15 years 13 - 83 ng/mL
16 - 18 years 11 - 172 ng/mL
19 - 59 years 38 - 380 ng/mL
>59 years 24 - 380 ng/mL
Performing Laboratory
Quest
New York DOH Approval Status
Yes