Hello, Tatyana Borisovna! To me have given a direction on the analysis of a blood of forms...

[Lena]

Hello, Tatyana Borisovna!
To me have given a direction on the analysis of a blood the form 50, what is it such?
Thanks.

[Malanova T.B.]

I do not know under numbers or rooms. And what there it is written?

[Lena]

And it is written: the analysis of a blood f. 50.
To me have told or said (not doctors), what is it the analysis on a HIV? Whether so it?