ICD-10-CM > S00-T88 > T36-T50 > T36 > T36.A > T36.AX > T36.AX5 T36.AX5 Adverse effect of fluoroquinolone antibiotics Non-Billable/Non-Specific Codes T36.AX5A..., initial encounterT36.AX5D..., subsequent encounterT36.AX5S..., sequela