Hep C, RNA, Quantiative,PCR has 3 ranges- In range, Out of range, and an Reference range, before week 12 i was always out of range then on week twelve it said HCV RNA (IU/ML)In range<50 what was used as a reference range was <50 IU/ml then my HCV RNA (LOg IU/ML) was in range <1.70 refereence was <1.70 log IU/ml. I have done some rseearch and it said that this was one of the most sensitive test. This means i am udt because thats what i have been thinking. History before week twelve was VL 1,450,000 and was out of range before treatment , week 4 222,000 out of range, week 8- 65,200 out of range. My log was 6.16 before treatment, week 4 -5.35, week 8- 4.81. I am thinking this is undetected because i am in range now. please help me understand does it have to say undetected.