V93.23XS vs W92
V93.23XS (Heat exposure on board other powered watercraft, sequela) compared with W92 (Exposure to excessive heat of man-made origin), 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 W92: “exposure to man-made heat not aboard watercraft (W92)”
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 | W92Exposure to excessive heat of man-made origin | |
|---|---|---|
| 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 excessive heat of man-made origin is a non-billable ICD-10-CM category code (W92). |
| 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 W92 |
| 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