Fetal Fibronectin
0082024
Ordering Recommendation
 
Mnemonic
FFN
Methodology
Semi-Quantitative Immunoassay/Immunosorbent
Performed
Sun-Sat
Reported
Within 24 hours  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
 
Specimen Required
Patient Preparation
Specimens for fetal fibronectin testing should be collected prior to collection of culture specimens.  Specimens should be obtained prior to digital cervical examination or vaginal probe, ultrasound examination as manipulation of the cervix may cause the release of fetal fibronectin. 

Testing should not be performed if the patient has had sexual intercourse within 24 hours prior to the sampling time because semen present may increase the possibility of a false positive result.  
Collect
Swab from the posterior fornix of the vagina or the ectocervical region of the external cervical os. Do not to contaminate the swab or cervicovaginal secretions with lubricants, soaps disinfectants or creams.  
Specimen Preparation
Specimens that are not tested within eight hours of collection must be stored, refrigerated, and tested within 72 hours of collection. Avoid extreme temperatures. Transport swab in Fetal Fibronectin Specimen Collection Kit (ARUP supply #32748). Available online through eSupply using ARUP Connect (TM) or contact Client Services at (800) 522-2787.  Required Information: Specimen must be labeled with gestational age and list patient condition as either "symptomatic" or "asymptomatic."  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Specimens collected in or by any specimen device other than Fetal Fibronectin Specimen Collection Kit.  
Remarks
Specimen source required.  
Stability
Ambient: 8 hours; Refrigerated: 3 days; Frozen: 2 weeks  Only one freeze/thaw cycle acceptable.  
Reference Interval
Normal: Interpretation by report.  
Interpretive Data
Positive result when concentration is greater than or equal to 0.05 µg/mL  
Note
 
CPT Code(s)
82731
Components
Component Test Code*Component Chart NameLOINC
0081024Gestation Age in Wks and Days49051-6
0081025Labor Symptoms57069-7
0082026fFN Labor Symptoms57069-7
0082027fFN Gestational Age 
0082028fFN Interpretation48039-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • FFN