Thanks. I came back to update this post. Yes, it's a "shc" URI followed by a long numeric string. This baffles most QR code readers, but https://zxing.org/w/dec

Thanks. I came back to update this post. Yes, it's a "shc" URI followed by a long numeric string. This baffles most QR code readers, but https://zxing.org/w/decode https://zxing.org/w/decode works. The "shc" URI scheme is indeed registered by SMART Health Cards.