Several medications and substances have also been reported to falsely elevate A1c including lead poisoning2, chronic ingestion of alcohol, salicylates, and opioids. Ingestion of vitamin C may increase A1c when measured by electrophoresis, but may decrease levels when measured by chromatography.
What can throw off A1C test?
A falsely high A1C result can occur in people who are very low in iron; for example, those with iron-deficiency anemia link. Other causes of false A1C results include kidney failure or liver disease.
Can you have a high A1C and not be diabetic?
Yes, some conditions may raise the level of A1C in your blood, but that does not mean you have diabetes. According to a study by Elizabeth Selvin, a single elevated A1C level greater than 6% was found in the general population with no history of diabetes.20 abr 2021
Can A1C be misdiagnosed?
A widely used blood test to measure blood-sugar trends can give imprecise results, depending on a person's race and other factors. This test means diabetes can sometimes be misdiagnosed or managed poorly. Doctors have been cautioned before that results from the A1C test don't have pinpoint accuracy.7 feb 2017
Dodell says. According to the ADA, A1C level below 5.7 percent is considered normal. An A1C between 5.7 and 6.4 percent signals prediabetes, according to the ADA. Type 2 diabetes is diagnosed when the A1C is at or over 6.5 percent.29 sept 2020
How often are A1C tests wrong?
Depending on the machine, a single A1c test can have up to a 0.5% margin of error, which means the “true” value might be 0.5% higher or lower than the measured A1c. For example, if a lab report shows an A1c value of 7.0%, the actual A1c value might range from 6.5% and 7.5%.23 oct 2017