| T52.2X1 | Toxic effect of homologues of benzene, accidental (unintentional) | NON-BILLABLE CODE |
| T52.2X1A | Toxic effect of homologues of benzene, accidental (unintentional), initial encounter | BILLABLE CODE |
| T52.2X1D | Toxic effect of homologues of benzene, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T52.2X1S | Toxic effect of homologues of benzene, accidental (unintentional), sequela | BILLABLE CODE |
| T52.2X2 | Toxic effect of homologues of benzene, intentional self-harm | NON-BILLABLE CODE |
| T52.2X2A | Toxic effect of homologues of benzene, intentional self-harm, initial encounter | BILLABLE CODE |
| T52.2X2D | Toxic effect of homologues of benzene, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T52.2X2S | Toxic effect of homologues of benzene, intentional self-harm, sequela | BILLABLE CODE |
| T52.2X3 | Toxic effect of homologues of benzene, assault | NON-BILLABLE CODE |
| T52.2X3A | Toxic effect of homologues of benzene, assault, initial encounter | BILLABLE CODE |
| T52.2X3D | Toxic effect of homologues of benzene, assault, subsequent encounter | BILLABLE CODE |
| T52.2X3S | Toxic effect of homologues of benzene, assault, sequela | BILLABLE CODE |
| T52.2X4 | Toxic effect of homologues of benzene, undetermined | NON-BILLABLE CODE |
| T52.2X4A | Toxic effect of homologues of benzene, undetermined, initial encounter | BILLABLE CODE |
| T52.2X4D | Toxic effect of homologues of benzene, undetermined, subsequent encounter | BILLABLE CODE |
| T52.2X4S | Toxic effect of homologues of benzene, undetermined, sequela | BILLABLE CODE |
