ICD-10-CM > L00-L99 > L80-L99 > L89 > L89.5 > L89.50 > L89.501 L89.501 Pressure ulcer of unspecified ankle, stage 1 Billable/Specific Copy Code Copy Description Applicable To Healing pressure ulcer of unspecified ankle, stage 1Pressure pre-ulcer skin changes limited to persistent focal edema, unspecified ankle