Hi Guest!

The diagnosis pointer(s) will depend on how many diagnosis codes you have listed in field 21 of the claim form that apply to service in field 24. For example, if there is only 1 diagnosis code that applied, you will simply have the letter "A" listed in the diagnosis pointer field. If you have 2 (and the diagnosis codes are the first and second ones listed in field 21), then the diagnosis pointer will be "AB". If three, "ABC".

Now, if you are looking for diagnosis code(s) to use in field 21 for sinus lift, the diagnosis code or codes will depend on the patient's condition - or basically, why you are doing the service.

For example, if the lift is being done due to atrophy, you may consider:
K08.24 - Minimal atrophy of maxilla
K08.25 - Moderate atrophy of the maxilla
K08.26 - Severe atrophy of the maxilla

Hope this helps!