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ICD-10-CM · FY 2026 APRIL UPDATE

T38.90

Poisoning by, adverse effect of and underdosing of unspecified hormone antagonists

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
T38.901Poisoning by unspecified hormone antagonists, accidental (unintentional)Category
T38.901APoisoning by unspecified hormone antagonists, accidental (unintentional), initial encounterBillable
T38.901DPoisoning by unspecified hormone antagonists, accidental (unintentional), subsequent encounterBillable
T38.901SPoisoning by unspecified hormone antagonists, accidental (unintentional), sequelaBillable
T38.902Poisoning by unspecified hormone antagonists, intentional self-harmCategory
T38.902APoisoning by unspecified hormone antagonists, intentional self-harm, initial encounterBillable
T38.902DPoisoning by unspecified hormone antagonists, intentional self-harm, subsequent encounterBillable
T38.902SPoisoning by unspecified hormone antagonists, intentional self-harm, sequelaBillable
T38.903Poisoning by unspecified hormone antagonists, assaultCategory
T38.903APoisoning by unspecified hormone antagonists, assault, initial encounterBillable
T38.903DPoisoning by unspecified hormone antagonists, assault, subsequent encounterBillable
T38.903SPoisoning by unspecified hormone antagonists, assault, sequelaBillable
T38.904Poisoning by unspecified hormone antagonists, undeterminedCategory
T38.904APoisoning by unspecified hormone antagonists, undetermined, initial encounterBillable
T38.904DPoisoning by unspecified hormone antagonists, undetermined, subsequent encounterBillable
T38.904SPoisoning by unspecified hormone antagonists, undetermined, sequelaBillable
T38.905Adverse effect of unspecified hormone antagonistsCategory
T38.905AAdverse effect of unspecified hormone antagonists, initial encounterBillable
T38.905DAdverse effect of unspecified hormone antagonists, subsequent encounterBillable
T38.905SAdverse effect of unspecified hormone antagonists, sequelaBillable
T38.906Underdosing of unspecified hormone antagonistsCategory
T38.906AUnderdosing of unspecified hormone antagonists, initial encounterBillable
T38.906DUnderdosing of unspecified hormone antagonists, subsequent encounterBillable
T38.906SUnderdosing of unspecified hormone antagonists, 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.