What does a green stool along with lower back pain in the kidney area mean?

Most likely are not: Coneccting togethor.According to mayo clinic reason for green stool:diet high in green vegetables. Such as spinach , food dyes , severe diarrhea protein hydrolysate formula , lack of indomethacin — a nonsteroidal anti-inflammatory drug iron supplements medroxyprogesterone (depo-provera), a contraceptive drug look for another reason for the back pain(kidney).