HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

Window period for fourth generation hiv test? 4 weeks enough?

A doctor has provided 1 answer
Dr. Hunter Handsfield answered

Specializes in Infectious Disease

Nearly conclusive: A very few persons with newly acquired HIV require up to 6 weeks to develop positive antigen-antibody (duo, combo, 4th generation) HIV blood tests. Four weeks is almost conclusive but not quite.

Dr Kuitems and 2 doctors agreed

Answered 10/14/2019

139 views

Thank

Related Questions

A member asked:

I had a potential exposure on April 10th .next I confirm covid positive on 24th .then I did 46days nd 56 days ofter HIV 4th generation test . result non reactive .covid status can a increase HIV windows period?

A doctor has provided 1 answer

A member asked:

I had a potential exposure on April 10th.next I confirm covid positive on April 24 th .then I did 46 days nd 56 days ofter hiv 4 th generation test.result non- reactive .covid nd post covid status can a increase hiv window period .pls tell?

A doctor has provided 1 answer

A member asked:

I had a potential exposure on April 10th.next I confirm covid positive on April 24 th .then I did 46 days nd 56 days ofter hiv 4 th generation test.result non- reactive .covid nd post covid status can a increase hiv window period .pls tell me ?

A doctor has provided 1 answer

A member asked:

Cdc states a window period of 45 days for hiv 4th generation test(duo test). why some agencies still state 12 weeks or 3 months?

3 doctors weighed in across 2 answers

A member asked:

What is the window period for Modern day HIV 4th generation tests. Many HIV specialists consider this conclusive at 28 days.? And CDC says 3 months?

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

Help me.How long window period for HIV test of fourth generation ECLIA cobas 6000(combo) for HIV p24antigen & HIV antibody1 & 2 after exposure?
What is the window period for an HIV 4th generation test and when it can be considered conclusive?
Is testing for hiv on the particular day the window period ends good ?e.g testing on day 45 after exposure with 4th generation test and testing on day 90 after exposure using rapid test ?
Is a hiv 4th generation test conclusive after 7 weeks of exposure? On this website there are some saying that the 4th generation window period is 4 weeks, 45days, 6 weeks, 3 months or even 6 months! Is 7 weeks safe?
What is the window period for HIV 2 What is your opinion in insti rapid test third generation after 16 weeks negative?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.