W94.21XA Exposure to reduction in atmospheric pressure while surfacing from deep-water diving, initial encounter

Billable / valid for submission ICD10CM Release FY2026

Short description: Expsr to rdct in atmos pressr wh surfc fr dp-watr div, init

Version history

Release	Valid from	Valid to	Description	Billable
FY2026	2025-10-01	current	Exposure to reduction in atmospheric pressure while surfacing from deep-water diving, initial encounter	yes

W94 Exposure to high and low air pressure and changes in air pressure
W94.0 Exposure to prolonged high air pressure
W94.0XXA Exposure to prolonged high air pressure, initial encounter
W94.0XXD Exposure to prolonged high air pressure, subsequent encounter
W94.0XXS Exposure to prolonged high air pressure, sequela
W94.1 Exposure to prolonged low air pressure
W94.11 Exposure to residence or prolonged visit at high altitude
W94.11XA Exposure to residence or prolonged visit at high altitude, initial encounter
W94.11XD Exposure to residence or prolonged visit at high altitude, subsequent encounter
W94.11XS Exposure to residence or prolonged visit at high altitude, sequela
W94.12 Exposure to other prolonged low air pressure
W94.12XA Exposure to other prolonged low air pressure, initial encounter
W94.12XD Exposure to other prolonged low air pressure, subsequent encounter
W94.12XS Exposure to other prolonged low air pressure, sequela
W94.2 Exposure to rapid changes in air pressure during ascent
W94.21 Exposure to reduction in atmospheric pressure while surfacing from deep-water diving
W94.21XD Exposure to reduction in atmospheric pressure while surfacing from deep-water diving, subsequent encounter
W94.21XS Exposure to reduction in atmospheric pressure while surfacing from deep-water diving, sequela
W94.22 Exposure to reduction in atmospheric pressure while surfacing from underground
W94.22XA Exposure to reduction in atmospheric pressure while surfacing from underground, initial encounter