| S01.501 | Unspecified open wound of lip | NON-BILLABLE CODE |
| S01.501A | Unspecified open wound of lip, initial encounter | BILLABLE CODE |
| S01.501D | Unspecified open wound of lip, subsequent encounter | BILLABLE CODE |
| S01.501S | Unspecified open wound of lip, sequela | BILLABLE CODE |
| S01.502 | Unspecified open wound of oral cavity | NON-BILLABLE CODE |
| S01.502A | Unspecified open wound of oral cavity, initial encounter | BILLABLE CODE |
| S01.502D | Unspecified open wound of oral cavity, subsequent encounter | BILLABLE CODE |
| S01.502S | Unspecified open wound of oral cavity, sequela | BILLABLE CODE |
