Back to ICD-10 library
ICD-10-CM · FY 2026 APRIL UPDATE

T50.4X

Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolism

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
T50.4X1Poisoning by drugs affecting uric acid metabolism, accidental (unintentional)Category
T50.4X1APoisoning by drugs affecting uric acid metabolism, accidental (unintentional), initial encounterBillable
T50.4X1DPoisoning by drugs affecting uric acid metabolism, accidental (unintentional), subsequent encounterBillable
T50.4X1SPoisoning by drugs affecting uric acid metabolism, accidental (unintentional), sequelaBillable
T50.4X2Poisoning by drugs affecting uric acid metabolism, intentional self-harmCategory
T50.4X2APoisoning by drugs affecting uric acid metabolism, intentional self-harm, initial encounterBillable
T50.4X2DPoisoning by drugs affecting uric acid metabolism, intentional self-harm, subsequent encounterBillable
T50.4X2SPoisoning by drugs affecting uric acid metabolism, intentional self-harm, sequelaBillable
T50.4X3Poisoning by drugs affecting uric acid metabolism, assaultCategory
T50.4X3APoisoning by drugs affecting uric acid metabolism, assault, initial encounterBillable
T50.4X3DPoisoning by drugs affecting uric acid metabolism, assault, subsequent encounterBillable
T50.4X3SPoisoning by drugs affecting uric acid metabolism, assault, sequelaBillable
T50.4X4Poisoning by drugs affecting uric acid metabolism, undeterminedCategory
T50.4X4APoisoning by drugs affecting uric acid metabolism, undetermined, initial encounterBillable
T50.4X4DPoisoning by drugs affecting uric acid metabolism, undetermined, subsequent encounterBillable
T50.4X4SPoisoning by drugs affecting uric acid metabolism, undetermined, sequelaBillable
T50.4X5Adverse effect of drugs affecting uric acid metabolismCategory
T50.4X5AAdverse effect of drugs affecting uric acid metabolism, initial encounterBillable
T50.4X5DAdverse effect of drugs affecting uric acid metabolism, subsequent encounterBillable
T50.4X5SAdverse effect of drugs affecting uric acid metabolism, sequelaBillable
T50.4X6Underdosing of drugs affecting uric acid metabolismCategory
T50.4X6AUnderdosing of drugs affecting uric acid metabolism, initial encounterBillable
T50.4X6DUnderdosing of drugs affecting uric acid metabolism, subsequent encounterBillable
T50.4X6SUnderdosing of drugs affecting uric acid metabolism, 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.