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ICD-10-CM · FY 2026 APRIL UPDATE

T50.1X

Poisoning by, adverse effect of and underdosing of loop [high-ceiling] diuretics

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
T50.1X1Poisoning by loop [high-ceiling] diuretics, accidental (unintentional)Category
T50.1X1APoisoning by loop [high-ceiling] diuretics, accidental (unintentional), initial encounterBillable
T50.1X1DPoisoning by loop [high-ceiling] diuretics, accidental (unintentional), subsequent encounterBillable
T50.1X1SPoisoning by loop [high-ceiling] diuretics, accidental (unintentional), sequelaBillable
T50.1X2Poisoning by loop [high-ceiling] diuretics, intentional self-harmCategory
T50.1X2APoisoning by loop [high-ceiling] diuretics, intentional self-harm, initial encounterBillable
T50.1X2DPoisoning by loop [high-ceiling] diuretics, intentional self-harm, subsequent encounterBillable
T50.1X2SPoisoning by loop [high-ceiling] diuretics, intentional self-harm, sequelaBillable
T50.1X3Poisoning by loop [high-ceiling] diuretics, assaultCategory
T50.1X3APoisoning by loop [high-ceiling] diuretics, assault, initial encounterBillable
T50.1X3DPoisoning by loop [high-ceiling] diuretics, assault, subsequent encounterBillable
T50.1X3SPoisoning by loop [high-ceiling] diuretics, assault, sequelaBillable
T50.1X4Poisoning by loop [high-ceiling] diuretics, undeterminedCategory
T50.1X4APoisoning by loop [high-ceiling] diuretics, undetermined, initial encounterBillable
T50.1X4DPoisoning by loop [high-ceiling] diuretics, undetermined, subsequent encounterBillable
T50.1X4SPoisoning by loop [high-ceiling] diuretics, undetermined, sequelaBillable
T50.1X5Adverse effect of loop [high-ceiling] diureticsCategory
T50.1X5AAdverse effect of loop [high-ceiling] diuretics, initial encounterBillable
T50.1X5DAdverse effect of loop [high-ceiling] diuretics, subsequent encounterBillable
T50.1X5SAdverse effect of loop [high-ceiling] diuretics, sequelaBillable
T50.1X6Underdosing of loop [high-ceiling] diureticsCategory
T50.1X6AUnderdosing of loop [high-ceiling] diuretics, initial encounterBillable
T50.1X6DUnderdosing of loop [high-ceiling] diuretics, subsequent encounterBillable
T50.1X6SUnderdosing of loop [high-ceiling] diuretics, sequelaBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.