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D7951 - sinus augmentation with bone or bone substitutes via a lateral open approach
D7952 - sinus augmentation via a vertical approach

can be crosscoded to:
21210 - graft, bone; nasal, maxillary, or malar areas
*use -52 modifier for reduced services when bone is not obtained from the patient

As for the ICD-10 (diagnosis) codes - it all depends on why the patient is receiving the services, in other words, what conditions/symptoms are these services treating?

For example, some common diagnosis codes used for sinus augmentation are:

K08.24 - Minimal atrophy of maxilla
K08.25 - Moderate atrophy of the maxilla
K08.26 - Severe atrophy of the maxilla

Hope this helps!