Blood test units different: For years my thyroid... - Thyroid UK

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Blood test units different

Anthea55 profile image
5 Replies

For years my thyroid blood test results have used the same units so,

Free T4 pmol/L range 12 - 22 Free T3 pmol/L range 3.1 - 6.8

I have just received results with different units, so they won't fit into my spreadsheet.

Free T4 ng/dL range 0.93 - 1.71 Free T3 pg/ml range 2.02 - 4.43

How do I convert to what I'm used to?

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Anthea55 profile image
Anthea55
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5 Replies
Jaydee1507 profile image
Jaydee1507Administrator

I don't think you can convert them as such. The percentage through ranges will be comparable though.

FallingInReverse profile image
FallingInReverse

You actually can!!

I think many of us are used to the pmols.

You can convert FT4 ng/dL to pmol by multiplying it by 12.872

You can convert FT3 pg/ml by 1.5361

That being said…. Check out this amazing site that converts any & all units you might have…. Link to the “T” section where all thyroid ones can be found.

unitslab.com/glossary/t

Anthea55 profile image
Anthea55 in reply to FallingInReverse

Just what I need. Definitely one to save.

Many thanks FallingInReverse

jimh111 profile image
jimh111

I have this link ibshypo.com/index.php/si-co... which has medical conversions just after the units of length etc.

Anthea55 profile image
Anthea55 in reply to jimh111

Thanks jimh111 another useful site. I got sidetracked onto all the other info here.

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