ICD-10-CM > V00-Y99 > Y90-Y99 > Y93 > Y93.A Y93.A Activities involving other cardiorespiratory exercise Non-Billable/Non-Specific Applicable To Activities involving physical training Codes Y93.A1Activity, exercise machines primarily for cardiorespiratory conditioningY93.A2Activity, calisthenicsY93.A3Activity, aerobic and step exerciseY93.A4Activity, circuit trainingY93.A5Activity, obstacle courseY93.A6Activity, grass drillsY93.A9Activity, other involving cardiorespiratory exercise