| T4394XD | Poisoning by unspecified psychotropic drug, undetermined, subsequent encounter |
| T4394XS | Poisoning by unspecified psychotropic drug, undetermined, sequela |
| T4395 | Adverse effect of unspecified psychotropic drug |
| T4395XA | Adverse effect of unspecified psychotropic drug, init encntr Adverse effect of unspecified psychotropic drug, initial encounter |
| T4395XD | Adverse effect of unspecified psychotropic drug, subs encntr Adverse effect of unspecified psychotropic drug, subsequent encounter |
| T4395XS | Adverse effect of unspecified psychotropic drug, sequela |
| T4396 | Underdosing of unspecified psychotropic drug |
| T4396XA | Underdosing of unspecified psychotropic drug, initial encounter |
| T4396XD | Underdosing of unspecified psychotropic drug, subsequent encounter |
| T4396XS | Underdosing of unspecified psychotropic drug, sequela |
| T44 | Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system |
| T440 | Poisoning by, adverse effect of and underdosing of anticholinesterase agents |
| T440X | Poisoning by, adverse effect of and underdosing of anticholinesterase agents |
| T440X1 | Poisoning by anticholinesterase agents, accidental (unintentional) |
| T440X1A | Poisoning by anticholinesterase agents, accidental (unintentional), initial encounter |
| T440X1D | Poisoning by anticholinesterase agents, accidental (unintentional), subsequent encounter |
| T440X1S | Poisoning by anticholinesterase agents, accidental (unintentional), sequela |
| T440X2 | Poisoning by anticholinesterase agents, intentional self-harm |
| T440X2A | Poisoning by anticholinesterase agents, intentional self-harm, initial encounter |
| T440X2D | Poisoning by anticholinesterase agents, intentional self-harm, subsequent encounter |
| T440X2S | Poisoning by anticholinesterase agents, intentional self-harm, sequela |
| T440X3 | Poisoning by anticholinesterase agents, assault |
| T440X3A | Poisoning by anticholinesterase agents, assault, init encntr Poisoning by anticholinesterase agents, assault, initial encounter |
| T440X3D | Poisoning by anticholinesterase agents, assault, subs encntr Poisoning by anticholinesterase agents, assault, subsequent encounter |
| T440X3S | Poisoning by anticholinesterase agents, assault, sequela |
| T440X4 | Poisoning by anticholinesterase agents, undetermined |
| T440X4A | Poisoning by anticholinesterase agents, undetermined, initial encounter |
| T440X4D | Poisoning by anticholinesterase agents, undetermined, subsequent encounter |
| T440X4S | Poisoning by anticholinesterase agents, undetermined, sequela |
| T440X5 | Adverse effect of anticholinesterase agents |
| T440X5A | Adverse effect of anticholinesterase agents, initial encounter |
| T440X5D | Adverse effect of anticholinesterase agents, subsequent encounter |
| T440X5S | Adverse effect of anticholinesterase agents, sequela |
| T440X6 | Underdosing of anticholinesterase agents |
| T440X6A | Underdosing of anticholinesterase agents, initial encounter |
| T440X6D | Underdosing of anticholinesterase agents, subsequent encounter |
| T440X6S | Underdosing of anticholinesterase agents, sequela |
| T441 | Poisoning by, adverse effect of and underdosing of other parasympathomimetics [cholinergics] |
| T441X | Poisoning by, adverse effect of and underdosing of other parasympathomimetics [cholinergics] |
| T441X1 | Poisoning by other parasympathomimetics [cholinergics], accidental (unintentional) |
| T441X1A | Poisoning by other parasympathomimetics [cholinergics], accidental (unintentional), initial encounter |
| T441X1D | Poisoning by other parasympathomimetics [cholinergics], accidental (unintentional), subsequent encounter |
| T441X1S | Poisoning by other parasympathomimetics [cholinergics], accidental (unintentional), sequela |
| T441X2 | Poisoning by oth parasympathomimetics, intentional self-harm Poisoning by other parasympathomimetics [cholinergics], intentional self-harm |
| T441X2A | Poisoning by other parasympathomimetics [cholinergics], intentional self-harm, initial encounter |
| T441X2D | Poisoning by other parasympathomimetics [cholinergics], intentional self-harm, subsequent encounter |
| T441X2S | Poisoning by other parasympathomimetics [cholinergics], intentional self-harm, sequela |
| T441X3 | Poisoning by other parasympathomimetics [cholinergics], assault |
| T441X3A | Poisoning by other parasympathomimetics [cholinergics], assault, initial encounter |
| T441X3D | Poisoning by other parasympathomimetics [cholinergics], assault, subsequent encounter |