Final answer:
The color of urine can indicate various factors such as the presence of substances or diseases, and the normal color is yellow to amber due to the presence of a pigment called urochrome. The code 791.1 indicates unusual color of urine.
Step-by-step explanation:
The color of urine is an indication of various factors such as the presence of certain substances or diseases. For example, a reddish tinge in the urine may be a sign of blood in the urine, which could be caused by a urinary tract infection or kidney stone. Dark urine may indicate dehydration or liver disease. The normal color of urine is yellow to amber due to the presence of a yellow pigment called urochrome.
In this case, the code 791.1 indicates the color of urine (unusual).