V93.2 vs W92
V93.2 (Heat exposure on board watercraft) 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. V93.2 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
| V93.2Heat exposure on board watercraft | W92Exposure to excessive heat of man-made origin | |
|---|---|---|
| Billing status | Non-billable header Report instead: V93.20XA, V93.20XD, V93.20XS, V93.21XA, V93.21XD | 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 watercraft is a non-billable ICD-10-CM category code (V93.2). | 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 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources