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Are CMIA/CLIA tests reliable after unprotected sex?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hi doctor,

I want to inquire about the HIV test and window period. My last exposure was six months back with CSW. It was protected, but I did an HIV test on the 45th day, 75th day, 96th day, 120th day, and 168th day after the last exposure due to fear. They did an HIV Tri-Dot test, and all were negative. Also, to cross-check, I did an HIV test from a different laboratory on the 90th day, 120th day, 150th day, 177th day, and 184th day, which also came back negative. They did the CMIA combo test, though the last one on the 184th day was the CLIA combo test. Do I need more testing? All tests came back negative, and there was no exposure after that. The laboratory people also did the CMIA combo test, though the last test was the CLIA combo test. Are CMIA and CLIA the same test, and is the CLIA combo an excellent and reliable test? I checked with the laboratory, they told me not to worry. Both are equivalent and the same. I have attached the last two reports. Please check.

Thanks.

Answered by Dr. Goswami Parth Rajendragiri

Education:

MBBS

Professional Bio:

Dr. Goswami Parth Rajendragiri is an experienced General Physician and Pathologist with extensive years of clinical expertise. He specializes in diagnosing and managing a wide range of medical conditions while providing holistic care to patients. As a Pathologist, he is skilled in performing and interpreting laboratory investigations that aid in accurate diagnosis and treatment planning. Dr. Rajendragiri is dedicated to delivering patient-focused care with a strong emphasis on preventive medicine and overall well-being.

This doctor is not available for online consultations on the platform anymore.

Hi,

Welcome to icliniq.com.

I can understand your concern. I will solve your doubts, so do not worry. Any test, including antibody testing, is useful to rule out HIV after six weeks and three months. CLIA (Clinical Laboratory Improvements Amendments) and CMIA (Chemiluminescence microparticle immunoassay) are the equivalents and best tests for HIV testing. So, now, after three months, there is no need to repeat any testing. You can consider yourself free from HIV (human immunodeficiency viruses) if you have no further unprotected exposure after that last exposure six months back. I hope I have solved your query. Let me know if you have additional questions in mind.

Best regards.

Patient's Query

Thank you, doctor, for your reply.

My tests are well past 90 days. The latest test done was on the 184th day, which was in the sixth month; I was just confused about CLIA. In all earlier tests with the laboratory, they mentioned the CMIA combo. And on the last test, they said the CLIA combo. All are negative for me. Since several tests are available in the laboratory, I wanted to ask you whether these CMIA and CLIA are good, reliable methods.

Thanks.

Answered by Dr. Goswami Parth Rajendragiri

Education:

MBBS

Professional Bio:

Dr. Goswami Parth Rajendragiri is an experienced General Physician and Pathologist with extensive years of clinical expertise. He specializes in diagnosing and managing a wide range of medical conditions while providing holistic care to patients. As a Pathologist, he is skilled in performing and interpreting laboratory investigations that aid in accurate diagnosis and treatment planning. Dr. Rajendragiri is dedicated to delivering patient-focused care with a strong emphasis on preventive medicine and overall well-being.

This doctor is not available for online consultations on the platform anymore.

Hi,

Welcome back to icliniq.com.

I can understand your concern, and the following is my answer to your follow-up question. CLIA and CMIA are both equivalent tests to exclude HIV with high sensitivity and specificity. You tested positive for CLIA after six months of exposure. So, this is the maximum time to exclude HIV. Now, after six months of exposure, you need not worry and do not do any further testing. You can consider yourself free from HIV. Yes, your CLIA test can exclude HIV indeed, and now, after six months, there is no need for further testing. Do not worry, and move on. And next time, try to avoid unprotected intercourse. I hope I have solved your concern. You can ask further if any more questions arise in your mind.

Best regards.

Medically reviewed by Dr. Preetha. J
Published At October 5, 2020
Reviewed At November 25, 2025

Education:

MBBS

Professional Bio:

Dr. Goswami Parth Rajendragiri is an experienced General Physician and Pathologist with extensive years of clinical expertise. He specializes in diagnosing and managing a wide range of medical conditions while providing holistic care to patients. As a Pathologist, he is skilled in performing and interpreting laboratory investigations that aid in accurate diagnosis and treatment planning. Dr. Rajendragiri is dedicated to delivering patient-focused care with a strong emphasis on preventive medicine and overall well-being.

This doctor is not available for online consultations on the platform anymore.

Education:

BDS

Professional Bio:

Dr. Preetha J. is a proficient Dental Surgeon with expertise in cosmetic dentistry, restorative procedures, root canal treatments, and oral surgery. She is known for her gentle approach, precision, and commitment to patient comfort. Dr. Preetha combines advanced dental techniques with personalized care to ensure optimal oral health and aesthetic results, helping patients achieve confident, healthy smiles. Currently, she contributes her expertise as a valuable member of the medical reviewer team at iCliniq.com. 

This doctor is not available for online consultations on the platform anymore.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Education:

MBBS

Professional Bio:

Dr. Goswami Parth Rajendragiri is an experienced General Physician and Pathologist with extensive years of clinical expertise. He specializes in diagnosing and managing a wide range of medical conditions while providing holistic care to patients. As a Pathologist, he is skilled in performing and interpreting laboratory investigations that aid in accurate diagnosis and treatment planning. Dr. Rajendragiri is dedicated to delivering patient-focused care with a strong emphasis on preventive medicine and overall well-being.

This doctor is not available for online consultations on the platform anymore.

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