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Test Code AROM or LAB2661 Amnisure Rupture of Membranes, Vaginal secretion

Important Note

Additional Information: If the specimen is not tested within 4 hours of collection, refrigerated storage is necessary. Tightly close the vial and place it in the refrigerator for up to 6 hours.

Specimen Requirements

 

Container Type:

Amnisure  Vial

Collection Instructions:
  1. Collect specimen using sterile vaginal swab provided in kit.
  2. Remove swab from packaging using care not to touch anything prior to insertion into vagina.
  3. Collect sample from surface of vagina, holding swab in the middle of the stick while patient is lying flat on back.
  4. Carefully insert the polyester tip of the swab into the vagina until fingers contact the skin no more than 2 to 3 inches (5-7 cm) deep.
  5. Withdraw swab after 1 minute and place in collectionvial.
  6. Twirl and rinse swab in solvent vial for 1 minute. After 1 minute remove and dispose of swab.
  7. Cap and label the vial.
  8. Send vial and order to the laboratory as soon as possible after collection.

Additional Information:

If the specimen is not tested within 30 minutes after collection, refrigerate the specimen until testing can be performed. Refrigerated specimens are stable for up to 6 hours after collection.

 

Specimen Stability

Room temp - 4 hours

Refrigerated - 6 hours

Useful For

Detection of amniotic fluid in vaginal secretions of pregnant patients who report signs, symptoms, or complaints suggestive of rupture of membranes. 

Methodology

Immunochromatography

Reference Ranges

Negative = No evidence of rupture of membranes

Interpretive

A positive result indicates the detection of human PAMG-1 (placental a-1 microglobulin) protein present in the amniotic fluid of pregnant women. Placental Microglobulin was selected as a marker of fetal membrane rupture due to its unique characteristics, i.e., its high level in the amniotic fluid, low level in the blood, and extremely low background level in cervicovaginal secretions when the fetal membranes are intact.

Day(s) Performed

24/7

Expected TAT

Same day

Performing Laboratory

Bronson Laboratory, Chemistry - Kalamazoo, Battle Creek, Paw Paw, South Haven

Sample Retention Time

7 days

CPT Code

84112

LOINC Code

50385-4