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ICD-10-CM · FY 2026 APRIL UPDATE

T84.21

Breakdown (mechanical) of internal fixation device of other bones

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
T84.210Breakdown (mechanical) of internal fixation device of bones of hand and fingersCategory
T84.210ABreakdown (mechanical) of internal fixation device of bones of hand and fingers, initial encounterBillable
T84.210DBreakdown (mechanical) of internal fixation device of bones of hand and fingers, subsequent encounterBillable
T84.210SBreakdown (mechanical) of internal fixation device of bones of hand and fingers, sequelaBillable
T84.213Breakdown (mechanical) of internal fixation device of bones of foot and toesCategory
T84.213ABreakdown (mechanical) of internal fixation device of bones of foot and toes, initial encounterBillable
T84.213DBreakdown (mechanical) of internal fixation device of bones of foot and toes, subsequent encounterBillable
T84.213SBreakdown (mechanical) of internal fixation device of bones of foot and toes, sequelaBillable
T84.216Breakdown (mechanical) of internal fixation device of vertebraeCategory
T84.216ABreakdown (mechanical) of internal fixation device of vertebrae, initial encounterBillable
T84.216DBreakdown (mechanical) of internal fixation device of vertebrae, subsequent encounterBillable
T84.216SBreakdown (mechanical) of internal fixation device of vertebrae, sequelaBillable
T84.218Breakdown (mechanical) of internal fixation device of other bonesCategory
T84.218ABreakdown (mechanical) of internal fixation device of other bones, initial encounterBillable
T84.218DBreakdown (mechanical) of internal fixation device of other bones, subsequent encounterBillable
T84.218SBreakdown (mechanical) of internal fixation device of other bones, 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.