Table 1.

Diagnoses and Procedure Codes That Could Indicate Osteonecrosis of the Jaw

Diagnoses (ICD-9)	Included Codes
Inflammatory conditions of the jaw	526, 526.1–526.9
Other unspecified disorders of bone and cartilage, including cyst of bone, aseptic necrosis of bone	733, 733.2–733.29, 733.4, 733.40–733.49, 733.9, 733.95
Other open wound of the head, jaw, internal structures of the mouth	873, 873.4–873.9
Late effects of treatment	909, 909.0–909.9
Fracture of the face bones with pathologic designation	802.20–802.39, 802.4, 802.5, 802.8
Procedures (CPT-4)
Excision of bone or tumor (jaw or face)	21025, 21026, 41830, 41850, 21029–32, 21044
Malignancy treatment procedures	21015, 21034, 21040, 21045–47