S42.40 vs S52.0
S42.40 (Unspecified fracture of lower end of humerus) compared with S52.0 (Fracture of upper end of ulna), 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. S52.0 carries an Excludes2 note covering S42.40: “fracture of elbow NOS (S42.40-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| S42.40Unspecified fracture of lower end of humerus | S52.0Fracture of upper end of ulna | |
|---|---|---|
| Billing status | Non-billable header Report instead: S42.401A, S42.401B, S42.401D, S42.401G, S42.401K | Non-billable header Report instead: S52.001A, S52.001B, S52.001C, S52.001D, S52.001E |
| 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 | Unspecified fracture of lower end of humerus is a non-billable ICD-10-CM category code (S42.40). | Fracture of upper end of ulna is a non-billable ICD-10-CM category code (S52.0). |
| 7th character | The appropriate 7th character is to be added to all codes from category S42 | The appropriate 7th character is to be added to all codes from category S52 |
| Includes | injuries of axilla injuries of scapular region Fracture of elbow NOS | Fracture of proximal end of ulna |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources