T42.1X1 — Poisoning by iminostilbenes, accidental (unintentional)
Is T42.1X1 billable?
No — T42.1X1 is a non-billable header code. T42.1X1 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 T42.1X1.
T42.1X1 at a glance
| Code | T42.1X1 |
|---|---|
| Description | Poisoning by iminostilbenes, accidental (unintentional) |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Inclusion terms
Alternative wording in documentation that is classified to T42.1X1.
- Poisoning by iminostilbenes NOS
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T42.1X1 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 T42.1X1. T42.1X1 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T42.1X1 to fully describe the condition. T42.1X1 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 T42.1X1 to fully describe the condition. T42.1X1 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T42.1X1, but a patient may have both at the same time. When documentation supports it, T42.1X1 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T42.1X1, but a patient may have both at the same time. When documentation supports it, T42.1X1 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T42
The conditions below are not part of T42.1X1, but a patient may have both at the same time. When documentation supports it, T42.1X1 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 T42.1X1? (3)
How long has T42.1X1 existed?
T42.1X1 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.