Abstract: This document discusses, among other things, a method for verifying a result of a test. The method includes providing a plurality of codes that are indicative of a first result of a test. A first test is then performed on a material. A first code of the plurality of codes is output when the first test produces the first result.

Abstract: This document discusses, among other things, a method for online diagnosis of a patient. The method includes receiving information regarding a result of an at-home medical test performed by a patient. The method also includes verifying the result of the at-home medical test based on an output from a testing device. Information indicative of the result of the at-home medical test is provided to a healthcare practitioner based on the verification of the result of the at-home medical test. The method also includes receiving information indicative of a diagnosis for the patient from the healthcare practitioner and providing the information indicative of a diagnosis to the patient.

Abstract: This document discusses, among other things, a method for verifying a result of a test. The method includes providing a first plurality of codes, wherein each of the first plurality of codes are indicative of the same result of a test, wherein the same result comprises a first result of a test. A first code output by a testing device is received, and it is determined whether the first code is one of the first plurality of codes. When the first code is one of the first plurality of codes, an indication that a user performed a test that produced the first result is sent to a third party.