ICD-10-CM > S00-T88 > T36-T50 > T43 > T43.6 > T43.63 > T43.632 T43.632 Poisoning by methylphenidate, intentional self-harm Non-Billable/Non-Specific Codes T43.632A..., initial encounterT43.632D..., subsequent encounterT43.632S..., sequela