| Ordering Code | 5447 |
|---|---|
| Test Name | Fetal Fibronectin |
| Alias | fFN |
| Preferred Specimen | Swab of cervicovaginal secretions |
| Preferred Container | 1 mL of extraction buffer |
| Optimum Volume | 1 swab in 1 mL of extraction buffer (in kit) |
| Collection Instructions | Cervicovaginal secretions should be collected by trained medical personnel using only the Hologic TLi-IQ collection kit. Kit is supplied by QMC-PB Hematology. |
| Handling Instructions | Refrigerate specimen if transport time >8 hours. |
| Transport Requirements | Oahu: Ambient Airline: Refrigerated |
| Specimen Stability | Ambient: 8 Hours Refrigerated: 72 Hours Frozen: 3 Months (Single thaw only) |
| Rejection Criteria | Room temperature samples received >8 hours after collection, Refrigerated samples received >72 hours after collection, Specimens received in expired Hologics buffer transport, Specimens collected in or by any sample device other than the Hologic specimen collection kit, Moderate to grossly bloody specimens, Insufficient quantity, Multiple freeze thaw cycles |
| Avail. Stat | NO |
| Analytic Time | 1 Day |
| Methodology | Lateral flow solid phase immunosorbance |
Reference range(s)
The reference ranges listed below are valid on this date of June 29, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Fetal Fibronectin | ALL | NEGATIVE | NEGATIVE |