T40.5X4 — Poisoning by cocaine, undetermined
Is T40.5X4 billable?
No — T40.5X4 is a non-billable header code. T40.5X4 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 T40.5X4.
T40.5X4 at a glance
| Code | T40.5X4 |
|---|---|
| Description | Poisoning by cocaine, 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 T36-T50
The conditions below can never be reported together with T40.5X4 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- toxic reaction to local anesthesia in pregnancy (O29.3-)
Code first — inherited from T36-T50
The underlying condition below must be sequenced before T40.5X4. T40.5X4 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T40.5X4 to fully describe the condition. T40.5X4 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T36-T50
Report an additional code alongside T40.5X4 to fully describe the condition. T40.5X4 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T40.5X4, but a patient may have both at the same time. When documentation supports it, T40.5X4 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T40.5X4, but a patient may have both at the same time. When documentation supports it, T40.5X4 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T40
The conditions below are not part of T40.5X4, but a patient may have both at the same time. When documentation supports it, T40.5X4 and the excluded code may both be reported.
- drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.-F19.-)
What codes fall under T40.5X4? (3)
How long has T40.5X4 existed?
T40.5X4 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.