ICD-10-CM > S00-T88 > T80-T88 > T84 > T84.0 > T84.03 > T84.031 T84.031 Mechanical loosening of internal left hip prosthetic joint Non-Billable/Non-Specific Codes T84.031A..., initial encounterT84.031D..., subsequent encounterT84.031S..., sequela