ICD-10-CM > S00-T88 > T36-T50 > T48 > T48.4 > T48.4X T48.4X Poisoning by, adverse effect of and underdosing of expectorants Non-Billable/Non-Specific Codes T48.4X1Poisoning by expectorants, accidental (unintentional)T48.4X1A..., initial encounterT48.4X1D..., subsequent encounterT48.4X1S..., sequelaT48.4X2Poisoning by expectorants, intentional self-harmT48.4X2A..., initial encounterT48.4X2D..., subsequent encounterT48.4X2S..., sequelaT48.4X3Poisoning by expectorants, assaultT48.4X3A..., initial encounterT48.4X3D..., subsequent encounterT48.4X3S..., sequelaT48.4X4Poisoning by expectorants, undeterminedT48.4X4A..., initial encounterT48.4X4D..., subsequent encounterT48.4X4S..., sequelaT48.4X5Adverse effect of expectorantsT48.4X5A..., initial encounterT48.4X5D..., subsequent encounterT48.4X5S..., sequelaT48.4X6Underdosing of expectorantsT48.4X6A..., initial encounterT48.4X6D..., subsequent encounterT48.4X6S..., sequela