T65.844 — Toxic effect of xylazine, undetermined
Is T65.844 billable?
No — T65.844 is a non-billable header code. T65.844 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath T65.844.
T65.844 at a glance
| Code | T65.844 |
|---|---|
| Description | Toxic effect of xylazine, undetermined |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together — inherited from T51-T65
The conditions below can never be reported together with T65.844 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- contact with and (suspected) exposure to toxic substances (Z77.-)
Use additional code — inherited from Chapter 19
Report an additional code alongside T65.844 to fully describe the condition. T65.844 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T51-T65
Report an additional code alongside T65.844 to fully describe the condition. T65.844 is sequenced first.
Use additional code — inherited from T65.84
Report an additional code alongside T65.844 to fully describe the condition. T65.844 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T65.844, but a patient may have both at the same time. When documentation supports it, T65.844 and the excluded code may both be reported.
What codes fall under T65.844? (3)
How long has T65.844 existed?
T65.844 first appears in FY2026.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.