ICD-10-CM > Z00-Z99 > Z77-Z99 > Z86 > Z86.6 Z86.6 Personal history of diseases of the nervous system and sense organs Non-Billable/Non-Specific Applicable To Conditions classifiable to G00-G99, H00-H95 Codes Z86.61Personal history of infections of the central nervous systemZ86.69Personal history of other diseases of the nervous system and sense organs