The CMIA (Chemiluminescent Microparticle Immunoassay) HIV test is highly accurate for detecting HIV antibodies and antigens in the blood. However, the conclusiveness of the test result depends on various factors, including the individual's risk factors, the specific test used, and the guidelines of healthcare professionals or testing organizations.
In general, most healthcare professionals consider a CMIA HIV test done at 70 days post-exposure to be quite reliable, but it's not considered fully conclusive. Conclusive results are typically obtained after 90 days post-exposure. However, in some cases, healthcare providers may recommend retesting at 90 days to ensure accuracy, especially if there were significant risk factors or concerns.
As for the test result of 0.28, this likely refers to the optical density (OD) value obtained from the test. An OD value of 0.28 is interpreted based on the specific assay's cutoff value and interpretation guidelines provided by the testing laboratory or healthcare provider. It's important to consult with a healthcare professional or the testing facility to understand the significance of this result in the context of the specific test used and the individual's risk factors.