Urine Color
The color of the urine sample is assessed subjectively and reported as red, brown, yellow, etc, or combination thereof, along with a modifier for the depth of color, eg, light yellow, dark red/brown, etc. Some examples of various urine colors and corresponding common causes are shown below (this is not an exhaustive list - there are many other substances, including drugs, which can influence urine color).: sorry

ColorPossible causes
light to medium yellownormal
colorlessvery dilute urine
very dark yellowextremely concentrated; bilirubinuria
red to brownish redhematuria, hemoglobinuria, myoglobinuria
reddish brown to brownmyoglobinuria, hemoglobinuria, methemoglobin
greenish tintbilirubinuria

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