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Fetal Fibronectin
Test CodeLAB287 1230100192
Alias/See Also
FFNT
FIBRONECTIN
FETAL FIBR
FIBRONECTIN
FETAL FIBR
CPT Codes
82731
Includes
FIBRONECTIN.FETAL PRESENCE IN VAGINAL FLUID
Instructions
Obtain cervicovaginal secretions PRIOR TO digital cervix examination using Rapid fFN Specimen Collection Kit.
A physician performs all specimen collections.
1. Specimen must be obtained prior to digital examination, vaginal probe ultrasound examination, or collection of swabs by culture.
2. Do not contaminate swab with lubricants, soaps, or disinfectants, as manipulation of the cervix may cause release of fFN.
3. Obtain cervical/vaginal secretions using Collection Kit supplied.
4. Lightly rotate swab across the cervical os or posterior fornix.
5. Remove swab and immerse in buffer.
6. Break shaft even with the top of the tube.
7. Align swab shaft with hole inside tube cap and push cap on tightly to seal.
8. Maintain sterility and forward promptly at ambient temperature.
9. Label container with patient's name (first and last), Social Security number or date of birth (inpatients: medical record number), date and time of collection, collector's initials, and type of specimen.
Specimen rejection will occur:
Specimen collection vial received with improper identification. Specimen submitted in collection other than approved collection device.
Specimen collection vial leaking.
Storage and Transportation temperature and time are incorrect
Specimen exposed to temperatures >25° C
Transport Container
FETAL FIBRONECTIN 1 KIT
Transport Temperature
Room Temperature
Specimen Stability
8-hours at Ambient temperature
>8-hours to 72 hours: Refrigerate specimen at 2° to 8° C.
Freeze specimen at <20°C up to 3 months after collection.
Specimen not tested within eight (8) hours of collection must be stored refrigerated or frozen to avoid degradation of the analyte.
>8-hours to 72 hours: Refrigerate specimen at 2° to 8° C.
Freeze specimen at <20°C up to 3 months after collection.
Specimen not tested within eight (8) hours of collection must be stored refrigerated or frozen to avoid degradation of the analyte.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen rejection will occur:
Specimen collection vial received with improper identification. Specimen submitted in collection other than approved collection device.
Specimen collection vial leaking.
Storage and Transportation temperature and time are incorrect
Specimen exposed to temperatures >25° C
Specimen collection vial received with improper identification. Specimen submitted in collection other than approved collection device.
Specimen collection vial leaking.
Storage and Transportation temperature and time are incorrect
Specimen exposed to temperatures >25° C
Clinical Significance
Immunochromatographic Assay. Useful as an aid in assessing the risk of preterm delivery in pregnant women sampled between 24 weeks, 0 days and 34 weeks, 6 days gestation.
Note: Manipulation of cervix prior to specimen collection may cause a false-positive result.
Note: This test should not be used in the case of placenta previa or abruption, moderate or gross vaginal bleeding, ruptured membrane, advanced cervical dilation (>3 cm), or sexual intercourse in preceding 24 hours (20%-50% of false-positive).
Note: Manipulation of cervix prior to specimen collection may cause a false-positive result.
Note: This test should not be used in the case of placenta previa or abruption, moderate or gross vaginal bleeding, ruptured membrane, advanced cervical dilation (>3 cm), or sexual intercourse in preceding 24 hours (20%-50% of false-positive).
Performing Laboratory
MWH LAB
