ICD-10-CM > Z00-Z99 > Z20-Z29 > Z29 > Z29.8 > Z29.81 Z29.81 Encounter for HIV pre-exposure prophylaxis Billable/Specific Copy Code Copy Description Code Also , if applicable, risk factors for HIV, such as:contact with and (suspected) exposure to human immunodeficiency virus [HIV] (Z20.6)high risk sexual behavior (Z72.5-)