ICD-10-CM > S00-T88 > T66-T78 > T70 > T70.0 T70.0 Otitic barotrauma Non-Billable/Non-Specific Applicable To Aero-otitis mediaEffects of change in ambient atmospheric pressure or water pressure on ears Codes T70.0XXA..., initial encounterT70.0XXD..., subsequent encounterT70.0XXS..., sequela