ICD-10-CM > S00-T88 > T36-T50 > T41 > T41.2 > T41.20 > T41.205 T41.205 Adverse effect of unspecified general anesthetics Non-Billable/Non-Specific Codes T41.205A..., initial encounterT41.205D..., subsequent encounterT41.205S..., sequela