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 diuretics and other and unspecified drugs, medicaments and biological substances
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 |
The appropriate 7th character is to be added to each code from category T50
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-)
T50.0Poisoning by, adverse effect of and underdosing of mineralocorticoids and their antagonistsCategory · further specificity requiredT50.1Poisoning by, adverse effect of and underdosing of loop [high-ceiling] diureticsCategory · further specificity requiredT50.2Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diureticsCategory · further specificity requiredT50.3Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agentsCategory · further specificity requiredT50.4Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolismCategory · further specificity requiredT50.5Poisoning by, adverse effect of and underdosing of appetite depressantsCategory · further specificity requiredT50.6Poisoning by, adverse effect of and underdosing of antidotes and chelating agentsCategory · further specificity requiredT50.7Poisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonistsCategory · further specificity requiredT50.8Poisoning by, adverse effect of and underdosing of diagnostic agentsCategory · further specificity requiredT50.9Poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substancesCategory · further specificity requiredT50.APoisoning by, adverse effect of and underdosing of bacterial vaccinesCategory · further specificity requiredT50.BPoisoning by, adverse effect of and underdosing of viral vaccinesCategory · further specificity requiredT50.ZPoisoning by, adverse effect of and underdosing of other vaccines and biological substancesCategory · further specificity requiredOfficial titles and instructions are preserved in their source language. Official sources ↗
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code, if applicable, for adverse effect to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect if applicable, to identify adverse effect of drug (T36-T50 with fifth or six character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify serum (T50.-)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code, for adverse effect, to identify drug (T36-T50 with fifth or sixth character 5), if drug-induced
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Excludes 2 · accidental overdose of drug or wrong drug given in error (T36-T50)
Code also · , if applicable, to identify underdosing of specific drug (T36-T50 with final character 6)
Code first · underdosing of medication (T36-T50) with fifth or sixth character 6
Code first · underdosing of medication (T36-T50) with fifth or sixth character 6
Code first · , if applicable, adverse effect of underdosing (T36-T50)
Code first · underdosing of medication (T36-T50) with fifth or sixth character 6
Code first · underdosing of medication (T36-T50) with fifth or sixth character 6
Note · The drug giving rise to the adverse effect should be identified by use of codes from categories T36-T50 with fifth or sixth character 5.
Use additional code · code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)