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HelpTest Code FA Folate
Performing Laboratory
| Memorial Hospital Laboratory- Automated Procedures | 304-388-5953 |
| Teays Valley Hospital Laboratory | 304-757-1770 |
| Greenbrier Valley Laboratory | 304-647-6060 |
| Parkersburg Laboratory | 304-865-3679 |
| Beckley Cancer Center Laboratory | 304-461-2222 |
Specimen Requirements
Memorial, Teays
Plasma-Mint Green, Dark Green Lithium Heparin or Serum-SST gold top, red top
Allow SST or red top to completely clot
Spin and physically separate plasma/serum from contact with cells as soon as possible
4 mL of plasma/serum (minimum 2 mL)
Greenbrier, Beckley, Parkersburg
Serum, Heparin Plasma
Whole blood specimens must use red cell folate pack.
Specimen Rejection
- Improperly labeled, collected, stored, and transported
- Quantity not sufficient
- Hemolyzed
Additional rejections at Greenbrier, Beckley, Parkersburg Only
- Turbid
- Lipemic
Storage and Stability
Memorial, Teays
| Room temperature 15-30oC | 8 hrs |
| Refrigerated 2-8oC | 48 hrs |
| Frozen <-20oC | Not specified |
Greenbrier, Beckley, Parkersburg
| Refrigerated 2-8oC | 7 days |
| Frozen <-20oC | 4 weeks |
Avoid repeated freeze thaw cycles.
Reference Values
5.9-24.9 ng/mL
Methodology
Memorial, Teays-Chemiluminescent immunoenzymatic competitive assay
Greenbrier, Beckley, Parkersburg-Competitive binding
Days Test Set Up and Turnaround
Monday through Sunday, Continuously
| AM Collection | Expected by 9AM same day |
| Routine | Expected within 24 hrs |
| Stat | Expected within 1 hr |
| Timed | Expected results are test dependant |
CPT Coding
82746