A — initial encounter
D — subsequent encounter
S — sequela
code to identify any retained foreign body, if applicable (Z18.-)
toxic reaction to local anesthesia in pregnancy (O29.3-)
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 topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs
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 glucocorticoids, topically used
The appropriate 7th character is to be added to each code from category T49
A — initial encounter
D — subsequent encounter
S — sequela
code to identify any retained foreign body, if applicable (Z18.-)
toxic reaction to local anesthesia in pregnancy (O29.3-)
T49.0Poisoning by, adverse effect of and underdosing of local antifungal, anti-infective and anti-inflammatory drugsCategory · further specificity requiredT49.1Poisoning by, adverse effect of and underdosing of antipruriticsCategory · further specificity requiredT49.2Poisoning by, adverse effect of and underdosing of local astringents and local detergentsCategory · further specificity requiredT49.3Poisoning by, adverse effect of and underdosing of emollients, demulcents and protectantsCategory · further specificity requiredT49.4Poisoning by, adverse effect of and underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparationsCategory · further specificity requiredT49.5Poisoning by, adverse effect of and underdosing of ophthalmological drugs and preparationsCategory · further specificity requiredT49.6Poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparationsCategory · further specificity requiredT49.7Poisoning by, adverse effect of and underdosing of dental drugs, topically appliedCategory · further specificity requiredT49.8Poisoning by, adverse effect of and underdosing of other topical agentsCategory · further specificity requiredT49.9Poisoning by, adverse effect of and underdosing of unspecified topical agentCategory · further specificity requiredOfficial titles and instructions are preserved in their source language. Official sources ↗
Excludes 1 · glucocorticoids, topically used (T49.-)