Erythrocyte occult blood 200 refers to positive urine occult blood, urine microscopy of red blood cells 200 / uL, the causes of which include infection, stones, tumors, etc., the severity and the condition is related to, need to be specifically analyzed. 1. Infection: urinary tract infections such as cystitis, pyelonephritis, may appear positive urinary occult blood, may also be accompanied by fever, dysuria and other symptoms, urine culture, blood tests can assist in the definitive diagnosis, usually after anti-infection treatment can be improved. 2. Stones: urinary stones, such as kidney stones, ureteral stones, etc., may appear positive urinary occult blood, may also be accompanied by severe abdominal pain, lumbago and other symptoms, urinary ultrasound, abdominal CT and other tests can assist in the definitive diagnosis, after drug detoxification, ultrasonic lithotripsy and other treatments can be improved. 3. Tumor: positive urinary occult blood can be seen in urinary tumors, such as kidney cancer, bladder cancer, etc. It can also be accompanied by symptoms such as fatigue, emaciation, etc. Abdominal CT, tissue biopsy and other examinations can assist in clear diagnosis, and malignant tumors are generally more serious, and need to be treated by specialists as soon as possible. There are many causes of erythrocyte occult blood 200, it is recommended to consult a doctor in time, clear diagnosis, early treatment, to avoid the delay of the condition.