| Z91.81 | History of falling | BILLABLE CODE |
| Z91.82 | Personal history of military deployment | BILLABLE CODE |
| Z91.83 | Wandering in diseases classified elsewhere | BILLABLE CODE |
| Z91.84 | Oral health risk factors | NON-BILLABLE CODE |
| Z91.841 | Risk for dental caries, low | BILLABLE CODE |
| Z91.842 | Risk for dental caries, moderate | BILLABLE CODE |
| Z91.843 | Risk for dental caries, high | BILLABLE CODE |
| Z91.849 | Unspecified risk for dental caries | BILLABLE CODE |
| Z91.85 | Personal history of military service | BILLABLE CODE |
| Z91.89 | Other specified personal risk factors, not elsewhere classified | BILLABLE CODE |
