None of us can concretely opine on ur case... Yes - it will create addnl tests - in all probabilities a Specialist's Report as well... whereinafter much would depend on that report and the Canadian RMO's take on it. Here's the extract from the DMP's handbook:
Question 8: Hepatitis
When there is a history of hepatitis in those older than 15 years of age, the details from the applicant should include the date and type of hepatitis, if known.
Note: If the applicant is not excessive demand exempt, then the results of serum AST and ALT should be provided. If these are abnormal (greater than 1.5 X normal value), then a specialist's report including hepatitis C antibodies and hepatitis B surface antigen should be provided.
Qorax
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http://www.cic.gc.ca/english/resources/publications/dmp-handbook/appendix-02.asp