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HelpTest Code HBIM Hepatitis B Virus Core IgM Antibody, Serum
Reporting Name
HBc IgM Ab, SUseful For
Diagnosis of acute hepatitis B virus (HBV) infection
Identifying acute HBV infection in the serologic window period when hepatitis B virus surface antigen and hepatitis B virus surface antibody results are negative
Differentiation between acute, chronic, or past HBV infections in the presence of positive hepatitis B virus core total antibodies
Testing Algorithm
For more information see Hepatitis B: Testing Algorithm for Screening, Diagnosis, and Management.
Method Name
Electrochemiluminescence Immunoassay (ECLIA)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Serum SSTNecessary Information
Date of collection is required.
Specimen Required
Patient Preparation: For 24 hours before specimen collection, patient should not take multivitamins or dietary supplements (eg, hair, skin, and nail supplements) containing biotin (vitamin B7).
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: 0.6 mL
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 tube.
Specimen Minimum Volume
0.6 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum SST | Frozen (preferred) | 90 days | |
| Refrigerated | 6 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Special Instructions
Day(s) Performed
Monday through Saturday
CPT Code Information
86705
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| HBIM | HBc IgM Ab, S | 24113-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| HBIM | HBc IgM Ab, S | 24113-3 |
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.Report Available
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