Test Overview
Test Usage

Prenatal screen for possible maternal-fetal blood incompatibility; to expedite provision of blood in cases of obstetrical hemorrhage; to identify candidates for Rh (D) immune globulin. To identify women at risk of having babies affected by hemolytic disease of newborn and to predict risk to fetus.

Reference Range *

Negative antibody screening test.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Will not detect all maternal-fetal incompatibilities or all antibodies present in a patient's plasma.

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

24 hours

Soft Order Code
PN
MiChart Code
LAB3463
Synonyms
  • Prenatal Screen
  • Prenatal Type and Screen
  • Blood Type, ABO, Rh, and Antibody Screen, Prenatal
Laboratory
Blood Bank
Section
Blood Bank
Specimen Requirements
Collection Instructions

Collect specimen in a pink top tube. Blood Bank is not able to share tubes with other laboratories. Specimens are unacceptable if clotted, collected in serum separator tube, contaminated, grossly hemolyzed, of inadequate volume, or not properly labeled with patient identification, including labels that have been misaligned. Required on all requisition and specimen tubes: patient's full name, patient's medical record number, legibly printed full name or unique name of person collecting the blood sample and date and time of sample collection. If testing cannot be completed within 24 hours, specimen must be refrigerated.

Alternate Specimen
Lavender top tube (intact specimen) may be substituted for a pink top. All other specimen types are unacceptable.
Normal Volume

6 mL whole blood

Minimum Volume

6 mL whole blood

Storage Temperature
Samples that cannot be tested within 24 hours should be refrigerated.
Additional Information

Test includes ABO type, Rh type, and Antibody Screen. If Antibody Screen is positive, Antibody Identification and Prenatal Antibody Titer will be performed at an additional charge. By ordering this test the clinician acknowledges that additional reflex testing will be performed and billed at a separate additional charge if indicated.

Billing
CPT Code
86900 ABO, 86901 Rh, 86850 Ab Screen
Fee Code
21250 ABO, 21252 Rh, 21253 Ab Screen
NY State Approved
No