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Diagnostic Code 9900: Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of
Dental and Oral Conditions · 38 CFR §4.150 · All codes in this system
| Evaluation criteria | Rating |
|---|---|
| Rate as osteomyelitis, chronic under diagnostic code 5000. | |
Source: eCFR Title 38, 38 CFR §4.150, current as of 2026-11-05. Criteria text is the regulatory text, reproduced verbatim for reference; it is not legal advice.