Wiki ICD-10 for blood on toilet paper

You can't presume a fecal source of the blood if the only documentation is that it was on the toilet paper, so I would not use R19.5 or K92.1 (the blood could have been from a skin lesion or abrasion or hemorrhoid, for example). R58 would be appropriate if the documentation supports that provider or patient has confirmed there was actual bleeding, but if not then I would use Z03.89 for a suspected condition ruled out.
 
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