Creatinine level is an important medical index used to measure kidney function. High creatinine indeed indicates kidney problem in many cases, but it does not always mean kidney failure.
Here are few tips about food in this case.
Oat Bran made with water with berries.
Turkey breast salad or Chicken breast salad (turkey or chicken breast, romaine salad, cucumber, radish, pepper, oregano , no salt)
Smoked Salmon Salad (smoked salmon with cucumber and sprouts)
Fish with salad
Grill chicken with cauliflower