42851 Per site
| 40000 | PERIODONTICS |
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| 42000 | PERIODONTAL SERVICES, SURGICAL |
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| 42800 | PERIODONTAL SURGERY, MISCELLANEOUS PROCEDURES |
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| 42850 | Flapless Approach, with Osteoplasty/Ostectomy for Crown Lengthening |
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| 42851 | Per site | $166.84 | $166.84 |