| T44.8X | Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic- neuron-blocking agents | NON-BILLABLE CODE |
| T44.8X1 | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional) | NON-BILLABLE CODE |
| T44.8X1A | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional), initial encounter | BILLABLE CODE |
| T44.8X1D | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T44.8X1S | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional), sequela | BILLABLE CODE |
| T44.8X2 | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harm | NON-BILLABLE CODE |
| T44.8X2A | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harm, initial encounter | BILLABLE CODE |
| T44.8X2D | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T44.8X2S | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harm, sequela | BILLABLE CODE |
| T44.8X3 | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, assault | NON-BILLABLE CODE |
| T44.8X3A | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, assault, initial encounter | BILLABLE CODE |
| T44.8X3D | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, assault, subsequent encounter | BILLABLE CODE |
| T44.8X3S | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, assault, sequela | BILLABLE CODE |
| T44.8X4 | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, undetermined | NON-BILLABLE CODE |
| T44.8X4A | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, undetermined, initial encounter | BILLABLE CODE |
| T44.8X4D | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, undetermined, subsequent encounter | BILLABLE CODE |
| T44.8X4S | Poisoning by centrally-acting and adrenergic-neuron-blocking agents, undetermined, sequela | BILLABLE CODE |
| T44.8X5 | Adverse effect of centrally-acting and adrenergic-neuron-blocking agents | NON-BILLABLE CODE |
| T44.8X5A | Adverse effect of centrally-acting and adrenergic-neuron-blocking agents, initial encounter | BILLABLE CODE |
| T44.8X5D | Adverse effect of centrally-acting and adrenergic-neuron-blocking agents, subsequent encounter | BILLABLE CODE |
| T44.8X5S | Adverse effect of centrally-acting and adrenergic-neuron-blocking agents, sequela | BILLABLE CODE |
| T44.8X6 | Underdosing of centrally-acting and adrenergic-neuron-blocking agents | NON-BILLABLE CODE |
| T44.8X6A | Underdosing of centrally-acting and adrenergic-neuron-blocking agents, initial encounter | BILLABLE CODE |
| T44.8X6D | Underdosing of centrally-acting and adrenergic-neuron-blocking agents, subsequent encounter | BILLABLE CODE |
| T44.8X6S | Underdosing of centrally-acting and adrenergic-neuron-blocking agents, sequela | BILLABLE CODE |
