I'm not sure if this is what they are referring to but it usually means decrease function of that area, in your case the kidney. But I am not a doctor. I would have them to clarify it before I jump to any conclusions. keep us posted.
DX: Lupus(UCTD), Asthma, Mitral Valve Prolapse, Heart Murmur, Anemia, Vitamin D def., B12 def, Hypertension r/t lupus, TIA, muscle weakness, numbness, tingling, headaches, night sweats, IBS.
Meds: Plaquenil, Prednisone 10mg, vit d3 50,000 weekly, b12 injection, Prevacid, Tramadol, Align, Kapidex, Amitza, Miralax, Vaseretic/HCTZ, Aspirin.
I can do all things through Christ that strengthens me.