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ICD-10-CM · FY 2026 APRIL UPDATE

T50.2

Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other 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
T50.2XPoisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diureticsCategory
T50.2X1Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, accidental (unintentional)Category
T50.2X1APoisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, accidental (unintentional), initial encounterBillable
T50.2X1DPoisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, accidental (unintentional), subsequent encounterBillable
T50.2X1SPoisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, accidental (unintentional), sequelaBillable
T50.2X2Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, intentional self-harmCategory
T50.2X2APoisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, intentional self-harm, initial encounterBillable
T50.2X2DPoisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, intentional self-harm, subsequent encounterBillable
T50.2X2SPoisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, intentional self-harm, sequelaBillable
T50.2X3Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, assaultCategory
T50.2X3APoisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, assault, initial encounterBillable
T50.2X3DPoisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, assault, subsequent encounterBillable
T50.2X3SPoisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, assault, sequelaBillable
T50.2X4Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, undeterminedCategory
T50.2X4APoisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, undetermined, initial encounterBillable
T50.2X4DPoisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, undetermined, subsequent encounterBillable
T50.2X4SPoisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, undetermined, sequelaBillable
T50.2X5Adverse effect of carbonic-anhydrase inhibitors, benzothiadiazides and other diureticsCategory
T50.2X5AAdverse effect of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, initial encounterBillable
T50.2X5DAdverse effect of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, subsequent encounterBillable
T50.2X5SAdverse effect of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, sequelaBillable
T50.2X6Underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diureticsCategory
T50.2X6AUnderdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, initial encounterBillable
T50.2X6DUnderdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, subsequent encounterBillable
T50.2X6SUnderdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other 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.

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