S02.621A (Fracture of subcondylar process of right mandible, initial encounter for closed fracture) compared with S02.621S (Fracture of subcondylar process of right mandible, sequela), from the official CMS tabular data. S02.621A and S02.621S code the same injury at a different phase of treatment.
Same underlying diagnosis, different encounter phase.
The 7th character records the phase of care for the encounter being coded, so a single encounter takes one of these characters, not several. Review whether both phases belong on the same episode of care.
Source: ICD-10-CM Official Guidelines, Section I.C.19.a
Same injury, other encounter phase. S02.621A and S02.621S code the same injury at a different phase of treatment, set by the 7th character.
The 7th character records the type of care given at the encounter being coded (ICD-10-CM Official Guidelines, Section I.C.19.a), so one encounter takes one of these, not both.
| S02.621AFracture of subcondylar process of right mandible, initial encounter for closed fracture | S02.621SFracture of subcondylar process of right mandible, sequela | |
|---|---|---|
| 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 | Fracture of subcondylar process of right mandible, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S02.621A). | Fracture of subcondylar process of right mandible, sequela is a billable ICD-10-CM diagnosis code (S02.621S). |
| 7th character | The appropriate 7th character is to be added to each code from category S02 | The appropriate 7th character is to be added to each code from category S02 |
| Includes | injuries of ear injuries of eye injuries of face [any part] injuries of gum | injuries of ear injuries of eye injuries of face [any part] injuries of gum |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources