S13 vs S16.1
S13 (Dislocation and sprain of joints and ligaments at neck level) compared with S16.1 (Strain of muscle, fascia and tendon at neck level), 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 carries an Excludes2 note covering S16.1: “strain of muscle or tendon at neck level (S16.1)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| S13Dislocation and sprain of joints and ligaments at neck level | S16.1Strain of muscle, fascia and tendon at neck level | |
|---|---|---|
| Billing status | Non-billable header Report instead: S13.0XXA, S13.0XXD, S13.0XXS, S13.100A, S13.100D | Non-billable header |
| 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 | Dislocation and sprain of joints and ligaments at neck level is a non-billable ICD-10-CM category code (S13). | Strain of muscle, fascia and tendon at neck level is a non-billable ICD-10-CM category code (S16.1). |
| 7th character | The appropriate 7th character is to be added to each code from category S13 | The appropriate 7th character is to be added to each code from category S16 |
| Includes | 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 | injuries of nape injuries of supraclavicular region injuries of throat |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources