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ICD-10-CM · FY 2026 APRIL UPDATE

T39.4X

Poisoning by, adverse effect of and underdosing of antirheumatics, not elsewhere classified

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
T39.4X1Poisoning by antirheumatics, not elsewhere classified, accidental (unintentional)Category
T39.4X1APoisoning by antirheumatics, not elsewhere classified, accidental (unintentional), initial encounterBillable
T39.4X1DPoisoning by antirheumatics, not elsewhere classified, accidental (unintentional), subsequent encounterBillable
T39.4X1SPoisoning by antirheumatics, not elsewhere classified, accidental (unintentional), sequelaBillable
T39.4X2Poisoning by antirheumatics, not elsewhere classified, intentional self-harmCategory
T39.4X2APoisoning by antirheumatics, not elsewhere classified, intentional self-harm, initial encounterBillable
T39.4X2DPoisoning by antirheumatics, not elsewhere classified, intentional self-harm, subsequent encounterBillable
T39.4X2SPoisoning by antirheumatics, not elsewhere classified, intentional self-harm, sequelaBillable
T39.4X3Poisoning by antirheumatics, not elsewhere classified, assaultCategory
T39.4X3APoisoning by antirheumatics, not elsewhere classified, assault, initial encounterBillable
T39.4X3DPoisoning by antirheumatics, not elsewhere classified, assault, subsequent encounterBillable
T39.4X3SPoisoning by antirheumatics, not elsewhere classified, assault, sequelaBillable
T39.4X4Poisoning by antirheumatics, not elsewhere classified, undeterminedCategory
T39.4X4APoisoning by antirheumatics, not elsewhere classified, undetermined, initial encounterBillable
T39.4X4DPoisoning by antirheumatics, not elsewhere classified, undetermined, subsequent encounterBillable
T39.4X4SPoisoning by antirheumatics, not elsewhere classified, undetermined, sequelaBillable
T39.4X5Adverse effect of antirheumatics, not elsewhere classifiedCategory
T39.4X5AAdverse effect of antirheumatics, not elsewhere classified, initial encounterBillable
T39.4X5DAdverse effect of antirheumatics, not elsewhere classified, subsequent encounterBillable
T39.4X5SAdverse effect of antirheumatics, not elsewhere classified, sequelaBillable
T39.4X6Underdosing of antirheumatics, not elsewhere classifiedCategory
T39.4X6AUnderdosing of antirheumatics, not elsewhere classified, initial encounterBillable
T39.4X6DUnderdosing of antirheumatics, not elsewhere classified, subsequent encounterBillable
T39.4X6SUnderdosing of antirheumatics, not elsewhere classified, 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.