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Test ID HBNTP Hepatitis B Virus Surface Antigen Confirmation, Prenatal, Serum

Useful For

Diagnosis of acute, recent, or chronic hepatitis B in prenatal patients

 

This test is not useful during the "window period" of acute hepatitis B (ie, after disappearance of hepatitis B virus surface antigen [HBsAg] and prior to appearance of HBs antibody).

 

This test is not suitable as stand-alone prenatal screening test of HBsAg status in pregnant women.

 

This test is not offered as a HBsAg screening or confirmatory test for blood donor specimens.

Specimen Type

Serum SST


Ordering Guidance


 



Specimen Required


Only orderable as a reflex. For more information see HBAGP / Hepatitis B Virus Surface Antigen Prenatal, Serum.

 

Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube: Serum gel (red-top tubes are not acceptable)

Submission Container/Tube: Plastic vial

Specimen Volume: 0.8 mL Serum

Collection Instructions:

1. Centrifuge blood collection tube per manufacturer's instructions (eg, centrifuge and aliquot within 2 hours of collection for BD Vacutainer tubes).

2. Aliquot serum into a plastic vial.


Specimen Stability Information

Specimen Type Temperature Time
Serum SST Frozen (preferred) 90 days
  Refrigerated  6 days
  Ambient  72 hours

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

87341

Report Available

Same day/1 to 3 days

Secondary ID

35936

Day(s) Performed

Monday through Saturday