DC 9900Dental Oral38 CFR § 4.150Last verified: APR 8, 2026

Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of — VA Rating Criteria (38 CFR DC 9900)

The VA rates Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of under 38 CFR 38 CFR § 4.150, Diagnostic Code 9900, from 0% to 0% based on the frequency and functional severity of symptoms. The maximum 0% rating requires Rate as osteomyelitis, chronic under diagnostic code 5000.. Related conditions in the Dental Oral body system share this rating framework.

What are the VA rating criteria for Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of?

0%Disability Rating

Rate as osteomyelitis, chronic under diagnostic code 5000.

Rate as osteomyelitis, chronic under diagnostic code 5000.
— 38 CFR 38 CFR § 4.150, Diagnostic Code 9900 (0% tier)

Common Questions About Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of VA Ratings

What is the VA disability rating for Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of?

The VA rates Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of under Diagnostic Code 9900 at the following tiers: 0%. The minimum 0% rating requires: Rate as osteomyelitis, chronic under diagnostic code 5000.. The maximum 0% rating requires: Rate as osteomyelitis, chronic under diagnostic code 5000..

What is Diagnostic Code 9900?

Diagnostic Code 9900 is the VA rating identifier for Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of within 38 CFR 38 CFR § 4.150. It defines the specific symptom criteria and percentage thresholds a VA adjudicator uses to assign a disability rating. The diagnostic code is listed on a veteran's rating decision letter.

What is the highest rating for Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of?

The maximum rating for Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of is defined in 38 CFR Part 4 under DC 9900. See the rating tiers above for exact criteria.

What 38 CFR section governs Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of ratings?

Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of is rated under 38 CFR 38 CFR § 4.150, Diagnostic Code 9900. This section is part of the Schedule for Rating Disabilities (38 CFR Part 4) and can be read in full at the eCFR website.

Which conditions are commonly secondary to Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of?

Secondary conditions caused or aggravated by Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of may be ratable under 38 CFR § 3.310. Veterans should work with a VSO or accredited claims agent to document the medical relationship.

What evidence do I need to establish service connection for Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of?

Service connection for Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of requires three elements: (1) a current diagnosis of the condition, (2) an in-service event, injury, or disease that may have caused or aggravated it, and (3) a medical nexus connecting the current diagnosis to that in-service event. A nexus letter from a treating physician or independent medical examiner is the most reliable nexus evidence. C&P exam findings can also establish nexus if adequately documented.

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