S77.20XA (Crushing injury of unspecified hip with thigh, initial encounter) compared with S77.21XA (Crushing injury of right hip with thigh, initial encounter), from the official CMS tabular data. S77.20XA and S77.21XA code the same condition on opposite sides.
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Same condition, opposite side. S77.20XA and S77.21XA name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
| S77.20XACrushing injury of unspecified hip with thigh, initial encounter | S77.21XACrushing injury of right hip with thigh, initial encounter | |
|---|---|---|
| Billing status | Billable | Billable |
| 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 | Crushing injury of unspecified hip with thigh, initial encounter is a billable ICD-10-CM diagnosis code (S77.20A). | Crushing injury of right hip with thigh, initial encounter is a billable ICD-10-CM diagnosis code (S77.21A). |
| 7th character | The appropriate 7th character is to be added to each code from category S77 | The appropriate 7th character is to be added to each code from category S77 |
| Use additional code | code(s) for all associated injuries | code(s) for all associated injuries |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources