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ICD-10-CM · FY 2026 APRIL UPDATE

T84.03

Mechanical loosening of internal prosthetic joint

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
T84.030Mechanical loosening of internal right hip prosthetic jointCategory
T84.030AMechanical loosening of internal right hip prosthetic joint, initial encounterBillable
T84.030DMechanical loosening of internal right hip prosthetic joint, subsequent encounterBillable
T84.030SMechanical loosening of internal right hip prosthetic joint, sequelaBillable
T84.031Mechanical loosening of internal left hip prosthetic jointCategory
T84.031AMechanical loosening of internal left hip prosthetic joint, initial encounterBillable
T84.031DMechanical loosening of internal left hip prosthetic joint, subsequent encounterBillable
T84.031SMechanical loosening of internal left hip prosthetic joint, sequelaBillable
T84.032Mechanical loosening of internal right knee prosthetic jointCategory
T84.032AMechanical loosening of internal right knee prosthetic joint, initial encounterBillable
T84.032DMechanical loosening of internal right knee prosthetic joint, subsequent encounterBillable
T84.032SMechanical loosening of internal right knee prosthetic joint, sequelaBillable
T84.033Mechanical loosening of internal left knee prosthetic jointCategory
T84.033AMechanical loosening of internal left knee prosthetic joint, initial encounterBillable
T84.033DMechanical loosening of internal left knee prosthetic joint, subsequent encounterBillable
T84.033SMechanical loosening of internal left knee prosthetic joint, sequelaBillable
T84.038Mechanical loosening of other internal prosthetic jointCategory
T84.038AMechanical loosening of other internal prosthetic joint, initial encounterBillable
T84.038DMechanical loosening of other internal prosthetic joint, subsequent encounterBillable
T84.038SMechanical loosening of other internal prosthetic joint, sequelaBillable
T84.039Mechanical loosening of unspecified internal prosthetic jointCategory
T84.039AMechanical loosening of unspecified internal prosthetic joint, initial encounterBillable
T84.039DMechanical loosening of unspecified internal prosthetic joint, subsequent encounterBillable
T84.039SMechanical loosening of unspecified internal prosthetic joint, 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.