V93.23XS vs X32
V93.23XS (Heat exposure on board other powered watercraft, sequela) compared with X32 (Exposure to sunlight), 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. V93.23XS carries an Excludes1 note covering X32: “exposure to sunlight while on board watercraft (X32)”
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
| V93.23XSHeat exposure on board other powered watercraft, sequela | X32Exposure to sunlight | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | V00-Y99 — External Causes of Morbidity (V00-Y99) | V00-Y99 — External Causes of Morbidity (V00-Y99) |
| Definition | Heat exposure on board other powered watercraft, sequela is a billable ICD-10-CM diagnosis code (V93.23S). | Exposure to sunlight is a non-billable ICD-10-CM category code (X32). |
| 7th character | The appropriate 7th character is to be added to each code from category V93 | The appropriate 7th character is to be added to code X32 |
| Includes | Heat exposure on board hovercraft | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources