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T46.2X1

Poisoning by other antidysrhythmic drugs, accidental (unintentional)

Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 4 never code together
T46.2code
Excludes1
  • poisoning by, adverse effect of and underdosing of beta-adrenoreceptor antagonists (T44.7-)T44.7-
T46code
Excludes1
  • poisoning by, adverse effect of and underdosing of metaraminol (T44.4)T44.4
S00-T88chapter
Excludes2

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 4
T46.2X1code
Inclusion terms
  • Poisoning by other antidysrhythmic drugs NOS
S00-T88chapter
Notes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
  • code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 2 filed at T46

The index files this at T46. The tabular extends it — laterality, staging, or the 7th character — so these entries lead to the family rather than to T46.2X1 exactly.

Alongside this code 5 same parent — T46.2X
T46.2X2 Poisoning by oth antidysrhythmic drugs, self-harm category T46.2X3 Poisoning by other antidysrhythmic drugs, assault category T46.2X4 Poisoning by other antidysrhythmic drugs, undetermined category T46.2X5 Adverse effect of other antidysrhythmic drugs category T46.2X6 Underdosing of other antidysrhythmic drugs category
Subordinate codes 3
T46.2X1A Poisoning by oth antidysrhythmic drugs, accidental, init T46.2X1D Poisoning by oth antidysrhythmic drugs, accidental, subs T46.2X1S Poisoning by oth antidysrhythmic drugs, accidental, sequela
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
T46.2X
Block
T07-T88
Siblings
5
Subordinate
3

Present FY2024–FY2027.