| I15 | Secondary hypertension | NON-BILLABLE CODE |
| I15.0 | Renovascular hypertension | BILLABLE CODE |
| I15.2 | Hypertension secondary to endocrine disorders | BILLABLE CODE |
| I15.8 | Other secondary hypertension | BILLABLE CODE |
| I15.9 | Secondary hypertension, unspecified | BILLABLE CODE |
