ICD-10-CM > S00-T88 > T36-T50 > T40 > T40.6 T40.6 Poisoning by, adverse effect of and underdosing of other and unspecified narcotics Non-Billable/Non-Specific Codes T40.60Poisoning by, adverse effect of and underdosing of unspecified narcoticsT40.601Poisoning by unspecified narcotics, accidental (unintentional)T40.601A..., initial encounterT40.601D..., subsequent encounterT40.601S..., sequelaT40.602Poisoning by unspecified narcotics, intentional self-harmT40.602A..., initial encounterT40.602D..., subsequent encounterT40.602S..., sequelaT40.603Poisoning by unspecified narcotics, assaultT40.603A..., initial encounterT40.603D..., subsequent encounterT40.603S..., sequelaT40.604Poisoning by unspecified narcotics, undeterminedT40.604A..., initial encounterT40.604D..., subsequent encounterT40.604S..., sequelaT40.605Adverse effect of unspecified narcoticsT40.605A..., initial encounterT40.605D..., subsequent encounterT40.605S..., sequelaT40.606Underdosing of unspecified narcoticsT40.606A..., initial encounterT40.606D..., subsequent encounterT40.606S..., sequelaT40.69Poisoning by, adverse effect of and underdosing of other narcoticsT40.691Poisoning by other narcotics, accidental (unintentional)T40.691A..., initial encounterT40.691D..., subsequent encounterT40.691S..., sequelaT40.692Poisoning by other narcotics, intentional self-harmT40.692A..., initial encounterT40.692D..., subsequent encounterT40.692S..., sequelaT40.693Poisoning by other narcotics, assaultT40.693A..., initial encounterT40.693D..., subsequent encounterT40.693S..., sequelaT40.694Poisoning by other narcotics, undeterminedT40.694A..., initial encounterT40.694D..., subsequent encounterT40.694S..., sequelaT40.695Adverse effect of other narcoticsT40.695A..., initial encounterT40.695D..., subsequent encounterT40.695S..., sequelaT40.696Underdosing of other narcoticsT40.696A..., initial encounterT40.696D..., subsequent encounterT40.696S..., sequela