| T3991 | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, accidental (unintentional) |
| T3991XA | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, accidental (unintentional), initial encounter |
| T3991XD | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, accidental (unintentional), subsequent encounter |
| T3991XS | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, accidental (unintentional), sequela |
| T3992 | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, intentional self-harm |
| T3992XA | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, intentional self-harm, initial encounter |
| T3992XD | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, intentional self-harm, subsequent encounter |
| T3992XS | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, intentional self-harm, sequela |
| T3993 | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, assault |
| T3993XA | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, assault, initial encounter |
| T3993XD | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, assault, subsequent encounter |
| T3993XS | Poisn by unsp nonopi analgs/antipyr/antirheu, asslt, sequela Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, assault, sequela |
| T3994 | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, undetermined |
| T3994XA | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, undetermined, initial encounter |
| T3994XD | Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, undetermined, subsequent encounter |
| T3994XS | Poisn by unsp nonopi analgs/antipyr/antirheu, undet, sequela Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, undetermined, sequela |
| T3995 | Adverse effect of unspecified nonopioid analgesic, antipyretic and antirheumatic |
| T3995XA | Adverse effect of unspecified nonopioid analgesic, antipyretic and antirheumatic, initial encounter |
| T3995XD | Adverse effect of unspecified nonopioid analgesic, antipyretic and antirheumatic, subsequent encounter |
| T3995XS | Advrs effect of unsp nonopi analgs/antipyr/antirheu, sequela Adverse effect of unspecified nonopioid analgesic, antipyretic and antirheumatic, sequela |
| T3996 | Underdosing of unspecified nonopioid analgesic, antipyretic and antirheumatic |
| T3996XA | Underdosing of unspecified nonopioid analgesic, antipyretic and antirheumatic, initial encounter |
| T3996XD | Underdosing of unspecified nonopioid analgesic, antipyretic and antirheumatic, subsequent encounter |
| T3996XS | Underdosing of unspecified nonopioid analgesic, antipyretic and antirheumatic, sequela |
| T40 | Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens] |
| T400 | Poisoning by, adverse effect of and underdosing of opium |
| T400X | Poisoning by, adverse effect of and underdosing of opium |
| T400X1 | Poisoning by opium, accidental (unintentional) |
| T400X1A | Poisoning by opium, accidental (unintentional), initial encounter |
| T400X1D | Poisoning by opium, accidental (unintentional), subsequent encounter |
| T400X1S | Poisoning by opium, accidental (unintentional), sequela |
| T400X2 | Poisoning by opium, intentional self-harm |
| T400X2A | Poisoning by opium, intentional self-harm, initial encounter Poisoning by opium, intentional self-harm, initial encounter |
| T400X2D | Poisoning by opium, intentional self-harm, subsequent encounter |
| T400X2S | Poisoning by opium, intentional self-harm, sequela |
| T400X3 | Poisoning by opium, assault |
| T400X3A | Poisoning by opium, assault, initial encounter |
| T400X3D | Poisoning by opium, assault, subsequent encounter |
| T400X3S | Poisoning by opium, assault, sequela |
| T400X4 | Poisoning by opium, undetermined |
| T400X4A | Poisoning by opium, undetermined, initial encounter |
| T400X4D | Poisoning by opium, undetermined, subsequent encounter |
| T400X4S | Poisoning by opium, undetermined, sequela |
| T400X5 | Adverse effect of opium |
| T400X5A | Adverse effect of opium, initial encounter |
| T400X5D | Adverse effect of opium, subsequent encounter |
| T400X5S | Adverse effect of opium, sequela |
| T400X6 | Underdosing of opium |
| T400X6A | Underdosing of opium, initial encounter |
| T400X6D | Underdosing of opium, subsequent encounter |