| Q85 | Phakomatoses, not elsewhere classified | NON-BILLABLE CODE |
| Q85.0 | Neurofibromatosis (nonmalignant) | NON-BILLABLE CODE |
| Q85.01 | Neurofibromatosis, type 1 | BILLABLE CODE |
| Q85.02 | Neurofibromatosis, type 2 | BILLABLE CODE |
| Q85.03 | Schwannomatosis | BILLABLE CODE |
| Q85.09 | Other neurofibromatosis | BILLABLE CODE |
| Q85.1 | Tuberous sclerosis | BILLABLE CODE |
| Q85.8 | Other phakomatoses, not elsewhere classified | NON-BILLABLE CODE |
| Q85.81 | PTEN hamartoma tumor syndrome | BILLABLE CODE |
| Q85.82 | Other Cowden syndrome | BILLABLE CODE |
| Q85.83 | Von Hippel-Lindau syndrome | BILLABLE CODE |
| Q85.89 | Other phakomatoses, not elsewhere classified | BILLABLE CODE |
| Q85.9 | Phakomatosis, unspecified | BILLABLE CODE |
