ICD-9 code for hip arthroplasty?

If you are coding for a facility for procedures you need 2 codes to completely capture the service:

If it is for a total hip arthroplasty then you would code 81.51 plus the code for the bearing surface of the implant: 00.74 for metal on polyethelene, 00.75 metal on metal, 00.76 ceramic on ceramic, 00.77 ceramic on polyethelene.

If it is for a partial hip arthroplasty then 81.52 plus the code for the bearing surface of the implant (00.74-00.77)