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ICD-10-CM · FY 2026 APRIL UPDATE

T63.3

Toxic effect of venom of spider

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
T63.30Toxic effect of unspecified spider venomCategory
T63.301Toxic effect of unspecified spider venom, accidental (unintentional)Category
T63.301AToxic effect of unspecified spider venom, accidental (unintentional), initial encounterBillable
T63.301DToxic effect of unspecified spider venom, accidental (unintentional), subsequent encounterBillable
T63.301SToxic effect of unspecified spider venom, accidental (unintentional), sequelaBillable
T63.302Toxic effect of unspecified spider venom, intentional self-harmCategory
T63.302AToxic effect of unspecified spider venom, intentional self-harm, initial encounterBillable
T63.302DToxic effect of unspecified spider venom, intentional self-harm, subsequent encounterBillable
T63.302SToxic effect of unspecified spider venom, intentional self-harm, sequelaBillable
T63.303Toxic effect of unspecified spider venom, assaultCategory
T63.303AToxic effect of unspecified spider venom, assault, initial encounterBillable
T63.303DToxic effect of unspecified spider venom, assault, subsequent encounterBillable
T63.303SToxic effect of unspecified spider venom, assault, sequelaBillable
T63.304Toxic effect of unspecified spider venom, undeterminedCategory
T63.304AToxic effect of unspecified spider venom, undetermined, initial encounterBillable
T63.304DToxic effect of unspecified spider venom, undetermined, subsequent encounterBillable
T63.304SToxic effect of unspecified spider venom, undetermined, sequelaBillable
T63.31Toxic effect of venom of black widow spiderCategory
T63.311Toxic effect of venom of black widow spider, accidental (unintentional)Category
T63.311AToxic effect of venom of black widow spider, accidental (unintentional), initial encounterBillable
T63.311DToxic effect of venom of black widow spider, accidental (unintentional), subsequent encounterBillable
T63.311SToxic effect of venom of black widow spider, accidental (unintentional), sequelaBillable
T63.312Toxic effect of venom of black widow spider, intentional self-harmCategory
T63.312AToxic effect of venom of black widow spider, intentional self-harm, initial encounterBillable
T63.312DToxic effect of venom of black widow spider, intentional self-harm, subsequent encounterBillable
T63.312SToxic effect of venom of black widow spider, intentional self-harm, sequelaBillable
T63.313Toxic effect of venom of black widow spider, assaultCategory
T63.313AToxic effect of venom of black widow spider, assault, initial encounterBillable
T63.313DToxic effect of venom of black widow spider, assault, subsequent encounterBillable
T63.313SToxic effect of venom of black widow spider, assault, 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.