| S13.10 | Subluxation and dislocation of unspecified cervical vertebrae | NON-BILLABLE CODE |
| S13.100 | Subluxation of unspecified cervical vertebrae | NON-BILLABLE CODE |
| S13.100A | Subluxation of unspecified cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.100D | Subluxation of unspecified cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.100S | Subluxation of unspecified cervical vertebrae, sequela | BILLABLE CODE |
| S13.101 | Dislocation of unspecified cervical vertebrae | NON-BILLABLE CODE |
| S13.101A | Dislocation of unspecified cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.101D | Dislocation of unspecified cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.101S | Dislocation of unspecified cervical vertebrae, sequela | BILLABLE CODE |
| S13.11 | Subluxation and dislocation of C0/C1 cervical vertebrae | NON-BILLABLE CODE |
| S13.110 | Subluxation of C0/C1 cervical vertebrae | NON-BILLABLE CODE |
| S13.110A | Subluxation of C0/C1 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.110D | Subluxation of C0/C1 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.110S | Subluxation of C0/C1 cervical vertebrae, sequela | BILLABLE CODE |
| S13.111 | Dislocation of C0/C1 cervical vertebrae | NON-BILLABLE CODE |
| S13.111A | Dislocation of C0/C1 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.111D | Dislocation of C0/C1 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.111S | Dislocation of C0/C1 cervical vertebrae, sequela | BILLABLE CODE |
| S13.12 | Subluxation and dislocation of C1/C2 cervical vertebrae | NON-BILLABLE CODE |
| S13.120 | Subluxation of C1/C2 cervical vertebrae | NON-BILLABLE CODE |
| S13.120A | Subluxation of C1/C2 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.120D | Subluxation of C1/C2 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.120S | Subluxation of C1/C2 cervical vertebrae, sequela | BILLABLE CODE |
| S13.121 | Dislocation of C1/C2 cervical vertebrae | NON-BILLABLE CODE |
| S13.121A | Dislocation of C1/C2 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.121D | Dislocation of C1/C2 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.121S | Dislocation of C1/C2 cervical vertebrae, sequela | BILLABLE CODE |
| S13.13 | Subluxation and dislocation of C2/C3 cervical vertebrae | NON-BILLABLE CODE |
| S13.130 | Subluxation of C2/C3 cervical vertebrae | NON-BILLABLE CODE |
| S13.130A | Subluxation of C2/C3 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.130D | Subluxation of C2/C3 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.130S | Subluxation of C2/C3 cervical vertebrae, sequela | BILLABLE CODE |
| S13.131 | Dislocation of C2/C3 cervical vertebrae | NON-BILLABLE CODE |
| S13.131A | Dislocation of C2/C3 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.131D | Dislocation of C2/C3 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.131S | Dislocation of C2/C3 cervical vertebrae, sequela | BILLABLE CODE |
| S13.14 | Subluxation and dislocation of C3/C4 cervical vertebrae | NON-BILLABLE CODE |
| S13.140 | Subluxation of C3/C4 cervical vertebrae | NON-BILLABLE CODE |
| S13.140A | Subluxation of C3/C4 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.140D | Subluxation of C3/C4 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.140S | Subluxation of C3/C4 cervical vertebrae, sequela | BILLABLE CODE |
| S13.141 | Dislocation of C3/C4 cervical vertebrae | NON-BILLABLE CODE |
| S13.141A | Dislocation of C3/C4 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.141D | Dislocation of C3/C4 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.141S | Dislocation of C3/C4 cervical vertebrae, sequela | BILLABLE CODE |
| S13.15 | Subluxation and dislocation of C4/C5 cervical vertebrae | NON-BILLABLE CODE |
| S13.150 | Subluxation of C4/C5 cervical vertebrae | NON-BILLABLE CODE |
| S13.150A | Subluxation of C4/C5 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.150D | Subluxation of C4/C5 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.150S | Subluxation of C4/C5 cervical vertebrae, sequela | BILLABLE CODE |
| S13.151 | Dislocation of C4/C5 cervical vertebrae | NON-BILLABLE CODE |
| S13.151A | Dislocation of C4/C5 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.151D | Dislocation of C4/C5 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.151S | Dislocation of C4/C5 cervical vertebrae, sequela | BILLABLE CODE |
| S13.16 | Subluxation and dislocation of C5/C6 cervical vertebrae | NON-BILLABLE CODE |
| S13.160 | Subluxation of C5/C6 cervical vertebrae | NON-BILLABLE CODE |
| S13.160A | Subluxation of C5/C6 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.160D | Subluxation of C5/C6 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.160S | Subluxation of C5/C6 cervical vertebrae, sequela | BILLABLE CODE |
| S13.161 | Dislocation of C5/C6 cervical vertebrae | NON-BILLABLE CODE |
| S13.161A | Dislocation of C5/C6 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.161D | Dislocation of C5/C6 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.161S | Dislocation of C5/C6 cervical vertebrae, sequela | BILLABLE CODE |
| S13.17 | Subluxation and dislocation of C6/C7 cervical vertebrae | NON-BILLABLE CODE |
| S13.170 | Subluxation of C6/C7 cervical vertebrae | NON-BILLABLE CODE |
| S13.170A | Subluxation of C6/C7 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.170D | Subluxation of C6/C7 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.170S | Subluxation of C6/C7 cervical vertebrae, sequela | BILLABLE CODE |
| S13.171 | Dislocation of C6/C7 cervical vertebrae | NON-BILLABLE CODE |
| S13.171A | Dislocation of C6/C7 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.171D | Dislocation of C6/C7 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.171S | Dislocation of C6/C7 cervical vertebrae, sequela | BILLABLE CODE |
| S13.18 | Subluxation and dislocation of C7/T1 cervical vertebrae | NON-BILLABLE CODE |
| S13.180 | Subluxation of C7/T1 cervical vertebrae | NON-BILLABLE CODE |
| S13.180A | Subluxation of C7/T1 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.180D | Subluxation of C7/T1 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.180S | Subluxation of C7/T1 cervical vertebrae, sequela | BILLABLE CODE |
| S13.181 | Dislocation of C7/T1 cervical vertebrae | NON-BILLABLE CODE |
| S13.181A | Dislocation of C7/T1 cervical vertebrae, initial encounter | BILLABLE CODE |
| S13.181D | Dislocation of C7/T1 cervical vertebrae, subsequent encounter | BILLABLE CODE |
| S13.181S | Dislocation of C7/T1 cervical vertebrae, sequela | BILLABLE CODE |
