Test Details
Methodology
Immunoassay
Result Turnaround Time
Within 1 day
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Use
Aid in assessing the risk of pre-term delivery in symptomatic (signs and symptoms of early pre-term labor) and in asymptomatic women between 22 weeks and 30 weeks 6 days of gestation.
Special Instructions
Note: Due to the value of this test in managing late-term pregnancies, the specimen should be sent only to a laboratory that can provide the testing on a 24/7 basis. Ideally the specimen will reach the testing laboratory within four hours of specimen collection. Contact laboratory prior to collection. This test is not available at all locations.
Limitations
Should not be used for symptomatic women with one or more of the following: advanced cervical dilation (> 3 cm), rupture of amniotic membranes, cervical cerclage, moderate or gross vaginal bleeding. Should not be used for asymptomatic women with one or more of the following: multiple gestations (eg. twins), cervical cerclage, placenta previa (partial or complete), sexual intercourse in the preceding 24 hours.
Specimen Requirements
Specimen
A Dacron Cervicovaginal swab
Volume
1 FFN tube with buffer (swab)
Container
ADEZA collection kit
Collection Instructions
Freeze after collection. Ship frozen.
Stability Requirements
Temperature | Period |
|---|---|
Room temperature | Less than 8 hours (stability provided by manufacturer or literature reference) |
Refrigerated | 3 days (stability provided by manufacturer or literature reference) |
Frozen | 6 weeks (stability provided by manufacturer or literature reference) |
Storage Instructions
Freeze.
Causes for Rejection
Sample held at room temperature for >8 hours.
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 120857 | Fetal Fibronectin | 20404-0 | 120858 | Fetal Fibronectin | 20404-0 | |
| Order Code | 120857 | |||||
| Order Code Name | Fetal Fibronectin | |||||
| Order Loinc | 20404-0 | |||||
| Result Code | 120858 | |||||
| Result Code Name | Fetal Fibronectin | |||||
| UofM | ||||||
| Result LOINC | 20404-0 |