26 weeks preg have high blood pressure took 24 hr urine my protein was 161mg and creatine Clarence was 200 ML. Is this a kidney disease or what?

Proteinuria. Up to 200mgs of proteinuria per 24 hours is considered the normal limit in pregnancy so you may be ok there. However high blood pressure in pregnancy is worrisome, needs to be treated and must be closely monitored by your obstetrician. He/she will can advise you about proteinuria.