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Viral Hepatitis and Liver Disease

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Hepatitis C Genotype: Test of Hepatitis C

for Veterans and the Public

Hepatitis C genotype - Hepatitis C for Patients

The hepatitis C genotype is a type or "strain" of hepatitis C virus. There are 6 genotypes of hepatitis C around the world. In the United States, 3 genotypes are common:

  • Genotype 1
  • Genotype 2
  • Genotype 3

These can be further specified as:

  • Genotype 1a or 1b
  • Genotype 2a or 2b or 2c
  • Genotype 3a or 3b

A person's hepatitis C genotype does not change over time. It needs to be tested only once. If you are treated for hepatitis C, your genotype will determine your treatment plan, such as which medications are prescribed and how long the treatment will be.