T75.0 vs X04
T75.0 (Effects of lightning) compared with X04 (Exposure to ignition of highly flammable material), 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. X04 carries an Excludes2 note covering T75.0: “lightning (T75.0-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| T75.0Effects of lightning | X04Exposure to ignition of highly flammable material | |
|---|---|---|
| Billing status | Non-billable header Report instead: T75.00XA, T75.00XD, T75.00XS, T75.01XA, T75.01XD | Non-billable header |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | V00-Y99 — External Causes of Morbidity (V00-Y99) |
| Definition | Effects of lightning is a non-billable ICD-10-CM category code (T75.0). | Exposure to ignition of highly flammable material is a non-billable ICD-10-CM category code (X04). |
| 7th character | The appropriate 7th character is to be added to each code from category T75 | The appropriate 7th character is to be added to code X04 |
| Includes | Struck by lightning | Exposure to ignition of gasoline Exposure to ignition of kerosene Exposure to ignition of petrol |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources