D16.4 vs D16.5
D16.4 (Benign neoplasm of bones of skull and face) compared with D16.5 (Benign neoplasm of lower jaw bone), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. D16.4 carries an Excludes2 note covering D16.5: “benign neoplasm of lower jaw bone (D16.5)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| D16.4Benign neoplasm of bones of skull and face | D16.5Benign neoplasm of lower jaw bone | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Benign neoplasm of bones of skull and face is a billable ICD-10-CM diagnosis code (D16.4). | Benign neoplasm of lower jaw bone is a billable ICD-10-CM diagnosis code (D16.5). |
| Includes | Benign neoplasm of maxilla (superior) Benign neoplasm of orbital bone Keratocyst of maxilla Keratocystic odontogenic tumor of maxilla | Keratocyst of mandible Keratocystic odontogenic tumor of mandible |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources