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Laboratory Medicine

Test catalogue


Test Name


Gold Tube Specimen Type / Requirements

Container Type = Gold (SST)

Minimum Volume = 1ml Serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Serum or plasma (heparin), free from hemolysis, collected with or without gel separator. Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions: Separate serum or plasma from cells within 2 hours of collection. .

Stability: stable for 8hrs at room temperature, refrigerated 48hrs, frozen 6 months.

Transportation: Transport at room temperature ASAP. Spin if sample time of collection to time sample get to lab exceeds 2hrs

Sample Rejection Criteria: Multiple freeze/thaw unacceptable, unlabeled or samples of non sufficient quantity.

Required Documentation

Turnaround Time (TAT)

1 Day

Test Utilization

Not recommended to be repeated within 21 days

Reference Value

Male: 30 – 280 ug/L

Female: 12 - 192 ug/L

Test Code

FER for reflex
FERNR for no reflex


Immunoenzymatic Sandwich Assay

Testing Location


Other Information

Last Updated: March 03, 2020