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ICD-10-CM · FY 2026 APRIL UPDATE

T38.99

Poisoning by, adverse effect of and underdosing of other 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
T38.991Poisoning by other hormone antagonists, accidental (unintentional)Category
T38.991APoisoning by other hormone antagonists, accidental (unintentional), initial encounterBillable
T38.991DPoisoning by other hormone antagonists, accidental (unintentional), subsequent encounterBillable
T38.991SPoisoning by other hormone antagonists, accidental (unintentional), sequelaBillable
T38.992Poisoning by other hormone antagonists, intentional self-harmCategory
T38.992APoisoning by other hormone antagonists, intentional self-harm, initial encounterBillable
T38.992DPoisoning by other hormone antagonists, intentional self-harm, subsequent encounterBillable
T38.992SPoisoning by other hormone antagonists, intentional self-harm, sequelaBillable
T38.993Poisoning by other hormone antagonists, assaultCategory
T38.993APoisoning by other hormone antagonists, assault, initial encounterBillable
T38.993DPoisoning by other hormone antagonists, assault, subsequent encounterBillable
T38.993SPoisoning by other hormone antagonists, assault, sequelaBillable
T38.994Poisoning by other hormone antagonists, undeterminedCategory
T38.994APoisoning by other hormone antagonists, undetermined, initial encounterBillable
T38.994DPoisoning by other hormone antagonists, undetermined, subsequent encounterBillable
T38.994SPoisoning by other hormone antagonists, undetermined, sequelaBillable
T38.995Adverse effect of other hormone antagonistsCategory
T38.995AAdverse effect of other hormone antagonists, initial encounterBillable
T38.995DAdverse effect of other hormone antagonists, subsequent encounterBillable
T38.995SAdverse effect of other hormone antagonists, sequelaBillable
T38.996Underdosing of other hormone antagonistsCategory
T38.996AUnderdosing of other hormone antagonists, initial encounterBillable
T38.996DUnderdosing of other hormone antagonists, subsequent encounterBillable
T38.996SUnderdosing of other 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.