T36.3X6Non-Billable (Header)Underdosing of macrolidesCode Hierarchy└T36Poisoning by, adverse effect of and underdosing of systemic antibiotics└T36.3Poisoning by, adverse effect of and underdosing of macrolides└T36.3XPoisoning by, adverse effect of and underdosing of macrolides└T36.3X6Underdosing of macrolides└T36.3X6Underdosing of macrolides