ICD-10-CM > S00-T88 > T66-T78 > T70 > T70.2 > T70.29 > T70.29XD T70.29XD Other effects of high altitude, subsequent encounter Billable/Specific Copy Code Copy Description Applicable To Alpine sicknessAnoxia due to high altitudeBarotrauma NOSHypobaropathyMountain sickness