S12.3 vs S13.1
S12.3 (Fracture of fourth cervical vertebra) compared with S13.1 (Subluxation and dislocation of cervical vertebrae), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. S13.1 carries an Excludes2 note covering S12.3: “fracture of cervical vertebrae (S12.0-S12.3-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| S12.3Fracture of fourth cervical vertebra | S13.1Subluxation and dislocation of cervical vertebrae | |
|---|---|---|
| Billing status | Non-billable header Report instead: S12.300A, S12.300B, S12.300D, S12.300G, S12.300K | Non-billable header Report instead: S13.100A, S13.100D, S13.100S, S13.101A, S13.101D |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Fracture of fourth cervical vertebra is a non-billable ICD-10-CM category code (S12.3). | Subluxation and dislocation of cervical vertebrae is a non-billable ICD-10-CM category code (S13.1). |
| 7th character | The appropriate 7th character is to be added to all codes from subcategories S12.0-S12.6 | The appropriate 7th character is to be added to each code from category S13 |
| Includes | fracture of cervical neural arch fracture of cervical spine fracture of cervical spinous process fracture of cervical transverse process | avulsion of joint or ligament at neck level laceration of cartilage, joint or ligament at neck level sprain of cartilage, joint or ligament at neck level traumatic hemarthrosis of joint or ligament at neck level |
| Code first | any associated cervical spinal cord injury (S14.0, S14.1-) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources