S25.2 vs S35.1
S25.2 (Injury of superior vena cava) compared with S35.1 (Injury of inferior vena cava), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. S35.1 carries an Excludes1 note covering S25.2: “injury of vena cava NOS (S25.2)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| S25.2Injury of superior vena cava | S35.1Injury of inferior vena cava | |
|---|---|---|
| Billing status | Non-billable header Report instead: S25.20XA, S25.20XD, S25.20XS, S25.21XA, S25.21XD | Non-billable header Report instead: S35.10XA, S35.10XD, S35.10XS, S35.11XA, S35.11XD |
| 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 | Injury of superior vena cava is a non-billable ICD-10-CM category code (S25.2). | Injury of inferior vena cava is a non-billable ICD-10-CM category code (S35.1). |
| 7th character | The appropriate 7th character is to be added to each code from category S25 | The appropriate 7th character is to be added to each code from category S35 |
| Includes | injuries of breast injuries of chest (wall) injuries of interscapular area Injury of vena cava NOS | injuries to the abdominal wall injuries to the anus injuries to the buttock injuries to the external genitalia |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources