ICD-10-CM > Z00-Z99 > Z77-Z99 > Z89 > Z89.6 > Z89.61 Z89.61 Acquired absence of leg above knee Non-Billable/Non-Specific Applicable To Acquired absence of leg NOSDisarticulation at knee Codes Z89.611Acquired absence of right leg above kneeZ89.612Acquired absence of left leg above kneeZ89.619Acquired absence of unspecified leg above knee