T42.6X4
Poisoning by other antiepileptic and sedative-hypnotic drugs, undetermined
- Release
- FY 2027
- Effective
Hierarchy
Where T42.6X4 sits in the official hierarchy. Each level is the code it is classified under.
- T42 Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
- T42.6 Poisoning by, adverse effect of and underdosing of other antiepileptic and sedative-hypnotic drugs
- T42.6X Parent Poisoning by, adverse effect of and underdosing of other antiepileptic and sedative-hypnotic drugs
- T42.6X4 This code Poisoning by other antiepileptic and sedative-hypnotic drugs, undetermined
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Excludes2
drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.--F19.-)
Inherited from T42 — Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
7th Character
The appropriate 7th character is to be added to each code from category T42
Inherited from T42 — Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
7th Character
A - initial encounter
Inherited from T42 — Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
7th Character
D - subsequent encounter
Inherited from T42 — Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
7th Character
S - sequela
Inherited from T42 — Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
More Specific Codes
3 codes under T42.6X4
- T42.6X4A Poisoning by other antiepileptic and sedative-hypnotic drugs, undetermined, initial encounter Billable
- T42.6X4D Poisoning by other antiepileptic and sedative-hypnotic drugs, undetermined, subsequent encounter Billable
- T42.6X4S Poisoning by other antiepileptic and sedative-hypnotic drugs, undetermined, sequela Billable
Version History
How T42.6X4 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentPoisoning by other antiepileptic and sedative-hypnotic drugs, undetermined
-
FY 2026 Effective
UnchangedPoisoning by other antiepileptic and sedative-hypnotic drugs, undetermined
Related Codes
Other codes under T42.6X
- T42.6X1 Poisoning by other antiepileptic and sedative-hypnotic drugs, accidental (unintentional)
- T42.6X2 Poisoning by other antiepileptic and sedative-hypnotic drugs, intentional self-harm
- T42.6X3 Poisoning by other antiepileptic and sedative-hypnotic drugs, assault
- T42.6X5 Adverse effect of other antiepileptic and sedative-hypnotic drugs
- T42.6X6 Underdosing of other antiepileptic and sedative-hypnotic drugs
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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