If this is true, this cycle would have had very litte effect in his kidneys. The GH listed is about the average run give or take.
It's more than coincidental that bodybuilders have such a high incidence of kidney failure. Could it be that carrying around all that weight results in high blood pressure, which is very hard on one's kidneys. Diabetes is another common cause of kidney disease.
If folks did their labs on a regular basis, at least once a year, they might be forewarned of the onset of chronic kidney disease and could make adjustments accordingly. Even if you get your gear illegally, you should have regular physicals and labs. What you tell your doctor is supposed to be confidential.
Medical ethics rules, state laws, and the federal law known as the Health Insurance Portability and Accountability Act (HIPAA), generally require doctors and their staff to keep patients' medical records confidential unless the patient allows the doctor's office to disclose them.