ICD-10-CM > S00-T88 > T66-T78 > T75 > T75.2 > T75.23 T75.23 Vertigo from infrasound Non-Billable/Non-Specific Type 1 Excludes vertigo NOS (R42) Codes T75.23XA..., initial encounterT75.23XD..., subsequent encounterT75.23XS..., sequela