| T40.90 | Poisoning by, adverse effect of and underdosing of unspecified psychodysleptics [hallucinogens] | NON-BILLABLE CODE |
| T40.901 | Poisoning by unspecified psychodysleptics [hallucinogens], accidental (unintentional) | NON-BILLABLE CODE |
| T40.901A | Poisoning by unspecified psychodysleptics [hallucinogens], accidental (unintentional), initial encounter | BILLABLE CODE |
| T40.901D | Poisoning by unspecified psychodysleptics [hallucinogens], accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T40.901S | Poisoning by unspecified psychodysleptics [hallucinogens], accidental (unintentional), sequela | BILLABLE CODE |
| T40.902 | Poisoning by unspecified psychodysleptics [hallucinogens], intentional self-harm | NON-BILLABLE CODE |
| T40.902A | Poisoning by unspecified psychodysleptics [hallucinogens], intentional self-harm, initial encounter | BILLABLE CODE |
| T40.902D | Poisoning by unspecified psychodysleptics [hallucinogens], intentional self-harm, subsequent encounter | BILLABLE CODE |
| T40.902S | Poisoning by unspecified psychodysleptics [hallucinogens], intentional self-harm, sequela | BILLABLE CODE |
| T40.903 | Poisoning by unspecified psychodysleptics [hallucinogens], assault | NON-BILLABLE CODE |
| T40.903A | Poisoning by unspecified psychodysleptics [hallucinogens], assault, initial encounter | BILLABLE CODE |
| T40.903D | Poisoning by unspecified psychodysleptics [hallucinogens], assault, subsequent encounter | BILLABLE CODE |
| T40.903S | Poisoning by unspecified psychodysleptics [hallucinogens], assault, sequela | BILLABLE CODE |
| T40.904 | Poisoning by unspecified psychodysleptics [hallucinogens], undetermined | NON-BILLABLE CODE |
| T40.904A | Poisoning by unspecified psychodysleptics [hallucinogens], undetermined, initial encounter | BILLABLE CODE |
| T40.904D | Poisoning by unspecified psychodysleptics [hallucinogens], undetermined, subsequent encounter | BILLABLE CODE |
| T40.904S | Poisoning by unspecified psychodysleptics [hallucinogens], undetermined, sequela | BILLABLE CODE |
| T40.905 | Adverse effect of unspecified psychodysleptics [hallucinogens] | NON-BILLABLE CODE |
| T40.905A | Adverse effect of unspecified psychodysleptics [hallucinogens], initial encounter | BILLABLE CODE |
| T40.905D | Adverse effect of unspecified psychodysleptics [hallucinogens], subsequent encounter | BILLABLE CODE |
| T40.905S | Adverse effect of unspecified psychodysleptics [hallucinogens], sequela | BILLABLE CODE |
| T40.906 | Underdosing of unspecified psychodysleptics [hallucinogens] | NON-BILLABLE CODE |
| T40.906A | Underdosing of unspecified psychodysleptics [hallucinogens], initial encounter | BILLABLE CODE |
| T40.906D | Underdosing of unspecified psychodysleptics [hallucinogens], subsequent encounter | BILLABLE CODE |
| T40.906S | Underdosing of unspecified psychodysleptics [hallucinogens], sequela | BILLABLE CODE |
| T40.99 | Poisoning by, adverse effect of and underdosing of other psychodysleptics [hallucinogens] | NON-BILLABLE CODE |
| T40.991 | Poisoning by other psychodysleptics [hallucinogens], accidental (unintentional) | NON-BILLABLE CODE |
| T40.991A | Poisoning by other psychodysleptics [hallucinogens], accidental (unintentional), initial encounter | BILLABLE CODE |
| T40.991D | Poisoning by other psychodysleptics [hallucinogens], accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T40.991S | Poisoning by other psychodysleptics [hallucinogens], accidental (unintentional), sequela | BILLABLE CODE |
| T40.992 | Poisoning by other psychodysleptics [hallucinogens], intentional self-harm | NON-BILLABLE CODE |
| T40.992A | Poisoning by other psychodysleptics [hallucinogens], intentional self-harm, initial encounter | BILLABLE CODE |
| T40.992D | Poisoning by other psychodysleptics [hallucinogens], intentional self-harm, subsequent encounter | BILLABLE CODE |
| T40.992S | Poisoning by other psychodysleptics [hallucinogens], intentional self-harm, sequela | BILLABLE CODE |
| T40.993 | Poisoning by other psychodysleptics [hallucinogens], assault | NON-BILLABLE CODE |
| T40.993A | Poisoning by other psychodysleptics [hallucinogens], assault, initial encounter | BILLABLE CODE |
| T40.993D | Poisoning by other psychodysleptics [hallucinogens], assault, subsequent encounter | BILLABLE CODE |
| T40.993S | Poisoning by other psychodysleptics [hallucinogens], assault, sequela | BILLABLE CODE |
| T40.994 | Poisoning by other psychodysleptics [hallucinogens], undetermined | NON-BILLABLE CODE |
| T40.994A | Poisoning by other psychodysleptics [hallucinogens], undetermined, initial encounter | BILLABLE CODE |
| T40.994D | Poisoning by other psychodysleptics [hallucinogens], undetermined, subsequent encounter | BILLABLE CODE |
| T40.994S | Poisoning by other psychodysleptics [hallucinogens], undetermined, sequela | BILLABLE CODE |
| T40.995 | Adverse effect of other psychodysleptics [hallucinogens] | NON-BILLABLE CODE |
| T40.995A | Adverse effect of other psychodysleptics [hallucinogens], initial encounter | BILLABLE CODE |
| T40.995D | Adverse effect of other psychodysleptics [hallucinogens], subsequent encounter | BILLABLE CODE |
| T40.995S | Adverse effect of other psychodysleptics [hallucinogens], sequela | BILLABLE CODE |
| T40.996 | Underdosing of other psychodysleptics [hallucinogens] | NON-BILLABLE CODE |
| T40.996A | Underdosing of other psychodysleptics [hallucinogens], initial encounter | BILLABLE CODE |
| T40.996D | Underdosing of other psychodysleptics [hallucinogens], subsequent encounter | BILLABLE CODE |
| T40.996S | Underdosing of other psychodysleptics [hallucinogens], sequela | BILLABLE CODE |
