ICD-10-CM > V00-Y99 > V90-V94 > V93 > V93.2 V93.2 Heat exposure on board watercraft Non-Billable/Non-Specific Type 1 Excludes exposure to man-made heat not aboard watercraft (W92)exposure to natural heat while on board watercraft (X30)exposure to sunlight while on board watercraft (X32) Type 2 Excludes burn due to fire on board watercraft (V93.0-) Codes V93.20Heat exposure on board merchant shipV93.20XA..., initial encounterV93.20XD..., subsequent encounterV93.20XS..., sequelaV93.21Heat exposure on board passenger shipV93.21XA..., initial encounterV93.21XD..., subsequent encounterV93.21XS..., sequelaV93.22Heat exposure on board fishing boatV93.22XA..., initial encounterV93.22XD..., subsequent encounterV93.22XS..., sequelaV93.23Heat exposure on board other powered watercraftV93.23XA..., initial encounterV93.23XD..., subsequent encounterV93.23XS..., sequelaV93.24Heat exposure on board sailboatV93.24XA..., initial encounterV93.24XD..., subsequent encounterV93.24XS..., sequelaV93.29Heat exposure on board unspecified watercraftV93.29XA..., initial encounterV93.29XD..., subsequent encounterV93.29XS..., sequela