ICD-10-CM > S00-T88 > T80-T88 > T84 > T84.0 > T84.03 > T84.038 T84.038 Mechanical loosening of other internal prosthetic joint Non-Billable/Non-Specific Use Additional code to identify the joint (Z96.6-) Codes T84.038A..., initial encounterT84.038D..., subsequent encounterT84.038S..., sequela