Well, that's not bad. I might encode the human part somehow, but you know, that's just my opinion. And make it to where if you actually scanned it, it would
read it as a number with some meaning. That's cool.
Since you want my opinion, allow me to make a suggestion or two. I've thought about the barcode thing (I'm rather into this, and I've considered many, many things), and if it was me, I think the best place for it would be the back of your arm, just above the elbow, or on the inside forearm just under the elbow. But if you did that, it would look best with another in the same place on the other arm. Barcodes are good for coordinating tats because they look the same but can be altered easily by whatever you put under them.
If you go for the bicep, I'd suggest that if you want a realistic, fairly small barcode, place it fairly high up near the shoulder, a I'd put a bigger or more stylized one more centered.