FY2025 · 04-01
Effective from
- Inherited rules changed
Poisoning by, adverse effect of and underdosing of peripheral vasodilators
Category — select a more specific code
CDC/NCHS · FY2025 · 04-01poisoning by, adverse effect of and underdosing of papaverine (T44.3)
code to identify any retained foreign body, if applicable (Z18.-)
toxic reaction to local anesthesia in pregnancy (O29.3-)
poisoning by, adverse effect of and underdosing of metaraminol (T44.4)
A — initial encounter
D — subsequent encounter
S — sequela
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2015-10-01
Latest recorded change · FY2025 · 04-01
Effective from
Poisoning by, adverse effect of and underdosing of peripheral vasodilators
Category — select a more specific code
CDC/NCHS · FY2025 · 04-01| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | No tabular change |
| FY2018 | 2017-10-01 | No tabular change |
| FY2019 | 2018-10-01 | Inherited rules changed |
| FY2020 | 2019-10-01 | No tabular change |
| FY2020 · April | 2020-04-01 | No tabular change |
| FY2021 | 2020-10-01 | Inherited rules changed |
| FY2021 · 01-01 | 2021-01-01 | No tabular change |
| FY2022 | 2021-10-01 | No tabular change |
| FY2022 · 04-01 | 2022-04-01 | No tabular change |
| FY2023 | 2022-10-01 | No tabular change |
| FY2023 · 04-01 | 2023-04-01 | No tabular change |
| FY2024 | 2023-10-01 | No tabular change |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | Inherited rules changed |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
Poisoning by, adverse effect of and underdosing of nicotinic acid (derivatives)
poisoning by, adverse effect of and underdosing of papaverine (T44.3)
code to identify any retained foreign body, if applicable (Z18.-)
toxic reaction to local anesthesia in pregnancy (O29.3-)
poisoning by, adverse effect of and underdosing of metaraminol (T44.4)
The appropriate 7th character is to be added to each code from category T46
A — initial encounter
D — subsequent encounter
S — sequela
Other entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| T46.0 | Poisoning by, adverse effect of and underdosing of cardiac-stimulant glycosides and drugs of similar action | Category · further specificity required |
| T46.1 | Poisoning by, adverse effect of and underdosing of calcium-channel blockers | Category · further specificity required |
| T46.2 | Poisoning by, adverse effect of and underdosing of other antidysrhythmic drugs, not elsewhere classified | Category · further specificity required |
| T46.3 | Poisoning by, adverse effect of and underdosing of coronary vasodilators | Category · further specificity required |
| T46.4 | Poisoning by, adverse effect of and underdosing of angiotensin-converting-enzyme inhibitors | Category · further specificity required |
| T46.5 | Poisoning by, adverse effect of and underdosing of other antihypertensive drugs | Category · further specificity required |
| T46.6 | Poisoning by, adverse effect of and underdosing of antihyperlipidemic and antiarteriosclerotic drugs | Category · further specificity required |
| T46.8 | Poisoning by, adverse effect of and underdosing of antivaricose drugs, including sclerosing agents | Category · further specificity required |
| T46.9 | Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily affecting the cardiovascular system | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗
Excludes 2 · poisoning by, adverse effect of and underdosing of nicotinic acid (derivatives) (T46.7)