ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.7 > T50.7X > T50.7X5 T50.7X5 Adverse effect of analeptics and opioid receptor antagonists Non-Billable/Non-Specific Codes T50.7X5A..., initial encounterT50.7X5D..., subsequent encounterT50.7X5S..., sequela