T65.851 vs T65.853
T65.851 (Toxic effect of medetomidine, accidental (unintentional)) compared with T65.853 (Toxic effect of medetomidine, assault), from the official CMS tabular data. T65.851 and T65.853 code the same substance (Medetomidine) with a different intent.
Can these codes be reported together?
Same substance, different intent. T65.851 and T65.853 code the same substance (Medetomidine) with a different circumstance of exposure.
From the CMS Table of Drugs and Chemicals: accidental poisoning, intentional self-harm, assault, undetermined intent, adverse effect and underdosing are mutually exclusive columns — only one of them applies to a given encounter.
Side by side
| T65.851Toxic effect of medetomidine, accidental (unintentional) | T65.853Toxic effect of medetomidine, assault | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| 7th character | The appropriate 7th character is to be added to each code from category T65 | The appropriate 7th character is to be added to each code from category T65 |
| Includes | Toxic effect of medetomidine NOS | — |
| Use additional code | code to identify associated manifestations, such as: bradycardia NOS (R00.1) somnolence, stupor and coma (R40.-) | code to identify associated manifestations, such as: bradycardia NOS (R00.1) somnolence, stupor and coma (R40.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources