 [ Symptoms ] depression i hav depression and it has gotten worse since my sister died a couple of days ago i put the bins out locked d side doors and wen back inside to wash my hands from there i cant remember drying my hands and only remember watching tv after i have no idea where i went as my coat smokes and keys are gone i guess i went outside a put them sumwere as dey are not in d house i have no other symptoms of pain nausea or dizzyness went the doctor and dey just sent me for blood test but is dat enough [ Disease ] this is called occult blood or hidden blood just a few blood cells in the urine can cause the chemical dipstick test to be positive so usually the presence of blood is confirmed microscopically on a urine specimen that is centrifuged if no blood is found than this could just be a false positive test if blood is found in small amounts a cause will need to be determined traces of blood can come simply from irritation of the urethra so this does not necessarily mean something is wrong infections or other types of inflammation kidneys stones etc all can cause hematuria medical term for blood in the urine