/clinical/,/clinical/tools-resources/,/clinical/tools-resources/lab-test-directory/,/clinical/tools-resources/lab-test-directory/chemistry/,

/clinical/tools-resources/lab-test-directory/chemistry/name-67604-en.labtest

Feb 8, 2018

page

100

UWHC,UWMF,

Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Chemistry

Folate

Folate (FOL ) Chemistry Lab Test

Name: Folate

Test Name: Folate

Health Link Test Code: FOL

LIS Test Code: FOL

CPT Code(s): 82746

Methodology: Chemiluminescent Immunoassay

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Specimen: Blood

Collection Container: Red cap with yellow ring (SST)

Also Acceptable: Green cap with yellow ring (PST), Green top, Red top

Collection Volume: 1 mL

Pediatric Collection Volume: 0.5 mL

Stability Refridgerated:

7 days removed from cells, clot or gel

8 hours on gel

Stability Frozen:

30 days

Sample Analyzed: Serum or plasma

Testing Volume: 0.5 mL

Pediatric Testing Volume: 0.2 mL

Specimen Processing:

Centrifuge. Redraw specimen if hemolysis is present. Transfer cell-free sample to plastic vial. Refrigerate.

Specimen Transport:

Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.

Unacceptable Criteria:

Hemolyzed specimens are not acceptable.

Interpretation:

18 years and up: ≥7.0 ng/mL

  

Interpretation Type: Expected Results

Test Limitations:

Patients receiving therapy with certain pharmaceuticals, e.g. methotrexate, aminopterin, or leucovorin, are contraindicated because of the cross-reactivity of folate binding protein with these compounds.

 

Results may be affected if patient has developed heterophilic antibodies due to exposure to animal blood products.