Years ago in my 20sabd 30s I gave blood to Red Cross got a 5 gallon pin only to be sent a letter stating my creatine levels were high need to get checked and I did. Negative on all items but couldn’t give blood anymore. Creatine we’re always high in those years. Planning n having a thigh biopsy to see if I has e IBM Excessive fatigue and muscle tenderness loss of strength I was told it was simulated to leukemia and muscular distrophy. .. ? Looking for someone who know about IBM