T50
Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 2 never code together
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 3
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 filed at null
No alphabetic index entry points at this code.
Subordinate codes 13
T50.0 Mineralocorticoids and their antagonists T50.1 Loop diuretics T50.2 Carbonic-anhydrase inhibitors, benzo/oth diuretc T50.3 Electrolytic, caloric and water-balance agents T50.4 Drugs affecting uric acid metabolism T50.5 Appetite depressants T50.6 Antidotes and chelating agents T50.7 Analeptics and opioid receptor antagonists T50.8 Diagnostic agents T50.A Bacterial vaccines T50.B Viral vaccines T50.Z Vaccines and biological substances T50.9 And unsp drugs, medicaments and biological substances
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.