ICD-10-CM > Z00-Z99 > Z77-Z99 > Z91 > Z91.8 Z91.8 Other specified personal risk factors, not elsewhere classified Non-Billable/Non-Specific Codes Z91.81History of fallingZ91.82Personal history of military deploymentZ91.83Wandering in diseases classified elsewhereZ91.84Oral health risk factorsZ91.841Risk for dental caries, lowZ91.842Risk for dental caries, moderateZ91.843Risk for dental caries, highZ91.849Unspecified risk for dental cariesZ91.85Personal history of military serviceZ91.89Other specified personal risk factors, not elsewhere classified