Hepatitis B Core Ab W/Reflex
An antibody that marks past or present exposure to hepatitis B, whether or not you were vaccinated.
Consider this test if:
- Clarifying whether a hepatitis B result reflects past infection or vaccination
- Unexplained hepatitis signs such as jaundice, fatigue, dark urine, or abnormal liver enzymes
- Screening before starting immunosuppressive therapy, which can reactivate a past hepatitis B infection
- Assessing exposure risk before donating blood or during pregnancy
- Following up known or possible hepatitis B exposure alongside other viral markers
- HSA/FSA eligible
- Typical results in 1-3 days · Reviewed by a real clinician
- Drawn at a CLIA/CAP-accredited lab near you ·
Reflex testing
If your core antibody result is out of range, a related follow-up test runs automatically to refine the picture, such as distinguishing recent from past exposure. This is done at no additional cost.
Pre-test considerations
No fasting required, and timing does not affect the result. Recent hepatitis B vaccination does not produce core antibody, so a positive result reflects actual exposure rather than the vaccine.
Video consult with your Care Team
A 1:1 call to discuss your health.
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What this test is for
Hepatitis B core antibody (anti-HBc) is produced in response to natural hepatitis B infection, not to vaccination, so it distinguishes true viral exposure from vaccine-induced immunity. This total assay detects both IgM and IgG anti-HBc: IgM appears early and fades over about six months, while IgG persists indefinitely, so a positive total result signals current or past exposure without pinning down the timing. It is interpreted alongside other hepatitis B markers such as surface antigen (HBsAg) and surface antibody (anti-HBs) to sort acute infection, chronic infection, and recovered or resolved infection. Because anti-HBc is rarely the only detectable marker, it is not the right test for catching brand-new acute infection on its own.
This is the core-antibody component. If you want a broader exposure screen across hepatitis A, B, and C, the full hepatitis panel is the better starting point.
- Specimen
- Serum or plasma
- Method
- Immunoassay
- Measures
- Presence / threshold
What you'll learn
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Insights that connect the dots. A clinician reads your whole picture, not one result in isolation, connecting family history, past results, and lifestyle into clear next steps.
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Your personalized action plan. Nutrition, supplements, and training in one clinician-reviewed protocol, updated as your results change.
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Track your trends. Upload results from any lab and see each biomarker trend over time, so you know what is working.
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Never miss a recheck. Mito tells you what is worth retesting and when, then reminds you so nothing slips.
What to expect
- 1 Book instantly
Click, book, done. Choose a convenient lab location near you. Transparent, up-front pricing.
- 2 Quick lab visit
Testing to fit your busy schedule, usually 15 minutes or less. Walk-in and appointments available.
- 3 Typical results in 1-3 days
Your results post straight to your dashboard as soon as the lab completes them.
- 4 Expert guidance
Included with Mito membership. A clinician reviews your results and your personalized action plan follows, with clear next steps.
Everything your health needs,
in one membership
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Every test at our cost
Members pay our cost on every test, with lab fees passed straight through. The full receipt is itemized, never padded.
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Continuous tracking, all in one place
Upload past labs and watch your trends over time. Every marker and visit lives in one longitudinal record, so all your care stays together.
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Year-round clinician support
Text anytime and get clinician-reviewed answers. When you want to go deeper, 1:1 consultations are available at affordable rates.
All for $9/month
Order any test or consult without joining. For $9/month, members unlock member prices, trend tracking, and year-round clinician guidance.
Mito Membership
$9 /mo
cancel anytime
Without membership
$0
pay as you go
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Frequently asked questions
View all FAQsHow does pricing work?
Every test shows the member price next to the standard non-member price, so you can see what membership saves you. The member price is our cost, covering the lab and what it takes to run the service. It is never a profit on the test itself. Mito makes its money on the $9 membership, not on marking up your tests. Membership is $9 per month, and any applicable lab order or draw fee is itemized before you pay.
Where do I get tested?
Choose an available partner lab at checkout. If your cart contains multiple blood tests, Mito helps consolidate the eligible tests at one lab when possible. At-home kits and scans follow the collection or appointment process shown on their product page.
Is this eligible for HSA/FSA?
Yes. Eligible tests can be paid for with an HSA or FSA card at checkout.
When will I get my results?
Your results appear in your Mito dashboard after the laboratory completes processing. A clinician then reviews them before your analysis and personalized action plan are finalized. Timing varies by test, and specialty assays and at-home kits may take longer.
Do I need a physician's order?
No. Mito provides the laboratory order when one is required, so you do not need to arrange a separate physician visit before purchasing.
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