| K06.01 | Gingival recession, localized | NON-BILLABLE CODE |
| K06.010 | Localized gingival recession, unspecified | BILLABLE CODE |
| K06.011 | Localized gingival recession, minimal | BILLABLE CODE |
| K06.012 | Localized gingival recession, moderate | BILLABLE CODE |
| K06.013 | Localized gingival recession, severe | BILLABLE CODE |
| K06.02 | Gingival recession, generalized | NON-BILLABLE CODE |
| K06.020 | Generalized gingival recession, unspecified | BILLABLE CODE |
| K06.021 | Generalized gingival recession, minimal | BILLABLE CODE |
| K06.022 | Generalized gingival recession, moderate | BILLABLE CODE |
| K06.023 | Generalized gingival recession, severe | BILLABLE CODE |
