T46
Non-billablePoisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system
T46 is the ICD-10-CM code for Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system. It is a non-billable category code — use a more specific child code such as T46.0 for billing.
- Status
- Header (non-billable)
- Chapter
- S00-T88
- Subcodes
- 10
- Edition
- FY2026
S00-T88 Injury, poisoning and certain other consequences of external causes
What this means — in plain language
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Excludes1 — not coded here
- •poisoning by, adverse effect of and underdosing of metaraminol (T44.4)
Frequently asked questions
- What is ICD-10 code T46?
- T46 is the ICD-10-CM code for "Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
- Is T46 a billable code?
- No — T46 is a non-billable header code. Use a more specific child code (such as T46.0) for billing.
- What is excluded from T46?
- Excludes1 (not coded here): poisoning by, adverse effect of and underdosing of metaraminol (T44.4).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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