Obstetric (Prenatal) Panel

CPT Code(s):

  • 80055

Test Component(s):

  • ABO Group and Rh Type
  • Antibody Screen
  • CBC (includes Differential and Platelet Count)
  • Hepatitis B Surface Antigen (HBsAg) with Reflex to Confirmation* (Positive samples will be confirmed based on the manufacturerÕs FDA approved recommendations at an additional charge (CPT code(s): 87341)
  • RBC with Reflex to ID and Titer
  • RPR Reflex to Titer and Confirmation
  • Rubella Virus IgG AntibodyIf Antibody Screen is positive
  • Antibody Identification
  • Titer
  • and Antigen Typing will be performed at an additional charge (CPT code(s): 86870
  • 86886
  • 86905). If RPR is reactive
  • a titer and confirmation will be performed at an additional charge (CPT code(s): 86593
  • 86781). *Note: When only a single test
  • Hepatitis B Surface Antigen
  • is ordered to diagnose Hepatitis B in a pregnant woman
  • additional tests such as liver enzymes should be ordered to confirm the diagnosis.

Preferred Specimen:

Whole blood full EDTA (lavender-top) tube andWhole blood full ACD-A or ACD-B (yellow-top) tube and6 mL serum

Special Instructions:

EDTA (lavender-top): Maintain specimen at room temperature. Do not refrigerate. Collect EDTA (lavender-top) tube last. Traumatic draw can introduce thromboplastin and trap WBC and platelets. Refrigeration can precipitate fibrin and trap WBC and platelets.

Transport Container:

EDTA (lavender-top) tube and ACD-A or ACD-B (yellow-top) tube and Plastic screw-cap vial with serum

Transport Temperature Name:

Room temperature

Reject Criteria:

Gross hemolysis ¥ Gross lipemia

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