T50

ICD-10Non-billable category

Diuretics and oth and unsp drug/meds/biol subst

Official ICD-10-CM descriptor (FY2026)

Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances

T50 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

7th character

  • The appropriate 7th character is to be added to each code from category T50

Permitted 7th characters

Ainitial encounter
Dsubsequent encounter
Ssequela

More specific codes under T50

Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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