LogIU/mL - how to convert to IU/ml? - Hepatitis B Trust

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LogIU/mL - how to convert to IU/ml?

mantana profile image
3 Replies

My blood results show the following:

HBV DNA LogCopy/mL 4.0

HBV DNA LogIU/mL 3.2

Most information online refers to IU/mL, not LogIU/mL or LogCopy/mL.

How do I convert my results to IU/mL?

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mantana
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3 Replies
Griffon profile image
Griffon

Hi , My understanding is that LogIU/ml means that the amount of virus detected is so small it can not accurately be quantified below the amount stated . IU/ml is the actual viral count . In effect what your results are saying is that your viral load is so low it can not be accurately measured -

mantana profile image
mantana in reply to Griffon

I think that reply is incorrect.

I've asked the same question here:

healthunlocked.com/britishl...

But in the meantime, was able to find the answer myself:

Some countries report HBV DNA results primarily in logIU/mL, while some others - in IU/mL.

LogIU/mL 3.2 is 1585 IU/mL (10^3.2 = 1584.89319...).

As from here:

microbiology.testcatalog.or...

10 to 1,000,000,000 IU/mL (1.00 log to 9.00 log IU/mL).

So:

IU/mL | logIU/mL

10 | 1 (10^1)

100 | 2 (10^2)

1,000 | 3 (10^3)

10,000 | 4 (10^4)

100,000 | 5 (10^5)

1,000,000 | 6 (10^6)

10,000,000 | 7 (10^7)

100,000,000 | 8 (10^8)

1,000,000,000 | 9 (10^9)

Griffon profile image
Griffon in reply to mantana

Well done , I stand corrected ! At least your count is low , which is good news .

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