Hepatitis C is often found during blood tests for a routine physical or other medical procedure.
* Elevated liver enzymes
* ELISA assay to detect hepatitis C antibody
* Hepatitis C PCR test
* Hepatitis C genotype. Six genotypes exist. Most Americans have genotype 1 infection, which is the most difficult to treat.
* Hepatitis virus serology
* Liver biopsy
Source Hepatitis C on Google Health