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

T48.20

Poisoning by, adverse effect of and underdosing of unspecified drugs acting on muscles

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
T48.201Poisoning by unspecified drugs acting on muscles, accidental (unintentional)Category
T48.201APoisoning by unspecified drugs acting on muscles, accidental (unintentional), initial encounterBillable
T48.201DPoisoning by unspecified drugs acting on muscles, accidental (unintentional), subsequent encounterBillable
T48.201SPoisoning by unspecified drugs acting on muscles, accidental (unintentional), sequelaBillable
T48.202Poisoning by unspecified drugs acting on muscles, intentional self-harmCategory
T48.202APoisoning by unspecified drugs acting on muscles, intentional self-harm, initial encounterBillable
T48.202DPoisoning by unspecified drugs acting on muscles, intentional self-harm, subsequent encounterBillable
T48.202SPoisoning by unspecified drugs acting on muscles, intentional self-harm, sequelaBillable
T48.203Poisoning by unspecified drugs acting on muscles, assaultCategory
T48.203APoisoning by unspecified drugs acting on muscles, assault, initial encounterBillable
T48.203DPoisoning by unspecified drugs acting on muscles, assault, subsequent encounterBillable
T48.203SPoisoning by unspecified drugs acting on muscles, assault, sequelaBillable
T48.204Poisoning by unspecified drugs acting on muscles, undeterminedCategory
T48.204APoisoning by unspecified drugs acting on muscles, undetermined, initial encounterBillable
T48.204DPoisoning by unspecified drugs acting on muscles, undetermined, subsequent encounterBillable
T48.204SPoisoning by unspecified drugs acting on muscles, undetermined, sequelaBillable
T48.205Adverse effect of unspecified drugs acting on musclesCategory
T48.205AAdverse effect of unspecified drugs acting on muscles, initial encounterBillable
T48.205DAdverse effect of unspecified drugs acting on muscles, subsequent encounterBillable
T48.205SAdverse effect of unspecified drugs acting on muscles, sequelaBillable
T48.206Underdosing of unspecified drugs acting on musclesCategory
T48.206AUnderdosing of unspecified drugs acting on muscles, initial encounterBillable
T48.206DUnderdosing of unspecified drugs acting on muscles, subsequent encounterBillable
T48.206SUnderdosing of unspecified drugs acting on muscles, 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.