| T52.0X | Toxic effects of petroleum products | NON-BILLABLE CODE |
| T52.0X1 | Toxic effect of petroleum products, accidental (unintentional) | NON-BILLABLE CODE |
| T52.0X1A | Toxic effect of petroleum products, accidental (unintentional), initial encounter | BILLABLE CODE |
| T52.0X1D | Toxic effect of petroleum products, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T52.0X1S | Toxic effect of petroleum products, accidental (unintentional), sequela | BILLABLE CODE |
| T52.0X2 | Toxic effect of petroleum products, intentional self-harm | NON-BILLABLE CODE |
| T52.0X2A | Toxic effect of petroleum products, intentional self-harm, initial encounter | BILLABLE CODE |
| T52.0X2D | Toxic effect of petroleum products, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T52.0X2S | Toxic effect of petroleum products, intentional self-harm, sequela | BILLABLE CODE |
| T52.0X3 | Toxic effect of petroleum products, assault | NON-BILLABLE CODE |
| T52.0X3A | Toxic effect of petroleum products, assault, initial encounter | BILLABLE CODE |
| T52.0X3D | Toxic effect of petroleum products, assault, subsequent encounter | BILLABLE CODE |
| T52.0X3S | Toxic effect of petroleum products, assault, sequela | BILLABLE CODE |
| T52.0X4 | Toxic effect of petroleum products, undetermined | NON-BILLABLE CODE |
| T52.0X4A | Toxic effect of petroleum products, undetermined, initial encounter | BILLABLE CODE |
| T52.0X4D | Toxic effect of petroleum products, undetermined, subsequent encounter | BILLABLE CODE |
| T52.0X4S | Toxic effect of petroleum products, undetermined, sequela | BILLABLE CODE |
