ICD-10-CM > S00-T88 > T36-T50 > T43 > T43.6 > T43.61 T43.61 Poisoning by, adverse effect of and underdosing of caffeine Non-Billable/Non-Specific Codes T43.611Poisoning by caffeine, accidental (unintentional)T43.611A..., initial encounterT43.611D..., subsequent encounterT43.611S..., sequelaT43.612Poisoning by caffeine, intentional self-harmT43.612A..., initial encounterT43.612D..., subsequent encounterT43.612S..., sequelaT43.613Poisoning by caffeine, assaultT43.613A..., initial encounterT43.613D..., subsequent encounterT43.613S..., sequelaT43.614Poisoning by caffeine, undeterminedT43.614A..., initial encounterT43.614D..., subsequent encounterT43.614S..., sequelaT43.615Adverse effect of caffeineT43.615A..., initial encounterT43.615D..., subsequent encounterT43.615S..., sequelaT43.616Underdosing of caffeineT43.616A..., initial encounterT43.616D..., subsequent encounterT43.616S..., sequela