Table of Drugs and Chemicals
Phenobarbital
| Substance | Poisoning, accidental | Poisoning, intentional self-harm | Poisoning, assault | Poisoning, undetermined | Adverse effect | Underdosing |
|---|---|---|---|---|---|---|
| Phenobarbital | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| with | — | — | — | — | — | — |
| mephenytoin | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| phenytoin | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| sodium | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.
Frequently asked questions
What are the ICD-10-CM codes for Phenobarbital?
Per the ICD-10-CM Table of Drugs and Chemicals: poisoning, accidental T42.3X1; poisoning, intentional self-harm T42.3X2; poisoning, assault T42.3X3; poisoning, undetermined T42.3X4; adverse effect T42.3X5; underdosing T42.3X6. Always confirm the code, and add the required 7th character where applicable, in the Tabular List.
ICD-10-CM Table of Drugs and Chemicals maintained by CDC/NCHS (public domain), from the CMS FY2027 release.