| T52.4X1 | Toxic effect of ketones, accidental (unintentional) | NON-BILLABLE CODE |
| T52.4X1A | Toxic effect of ketones, accidental (unintentional), initial encounter | BILLABLE CODE |
| T52.4X1D | Toxic effect of ketones, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T52.4X1S | Toxic effect of ketones, accidental (unintentional), sequela | BILLABLE CODE |
| T52.4X2 | Toxic effect of ketones, intentional self-harm | NON-BILLABLE CODE |
| T52.4X2A | Toxic effect of ketones, intentional self-harm, initial encounter | BILLABLE CODE |
| T52.4X2D | Toxic effect of ketones, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T52.4X2S | Toxic effect of ketones, intentional self-harm, sequela | BILLABLE CODE |
| T52.4X3 | Toxic effect of ketones, assault | NON-BILLABLE CODE |
| T52.4X3A | Toxic effect of ketones, assault, initial encounter | BILLABLE CODE |
| T52.4X3D | Toxic effect of ketones, assault, subsequent encounter | BILLABLE CODE |
| T52.4X3S | Toxic effect of ketones, assault, sequela | BILLABLE CODE |
| T52.4X4 | Toxic effect of ketones, undetermined | NON-BILLABLE CODE |
| T52.4X4A | Toxic effect of ketones, undetermined, initial encounter | BILLABLE CODE |
| T52.4X4D | Toxic effect of ketones, undetermined, subsequent encounter | BILLABLE CODE |
| T52.4X4S | Toxic effect of ketones, undetermined, sequela | BILLABLE CODE |
