DC 9900Dental & Oral Conditions38 CFR § 4.150Last verified: APR 22, 2026

Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of

Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of is rated 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.. Most claims establish the 0% or 0% rating before reaching the top tier.

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.

Note: Cross-reference — see referenced criteria for rating tiers

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 rating range 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 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..

Which 38 CFR diagnostic code does the VA use 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 (DC) 9900, governed by 38 CFR 38 CFR § 4.150. The diagnostic code establishes the specific rating tiers and severity criteria the VA examiner applies.

Can Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of qualify for TDIU (Total Disability Individual Unemployability)?

Veterans rated for Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of may qualify for TDIU if the condition — alone or in combination with other service-connected disabilities — prevents substantially gainful employment. A single disability rated at 60% or higher (or multiple disabilities combining to 70%, with one at 40%) can support a TDIU claim under 38 CFR § 4.16.

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, and (3) a medical nexus linking the current diagnosis to that in-service occurrence. A nexus letter from a treating or independent medical examiner is the most reliable nexus evidence.

What is the C&P exam like for Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of?

A Compensation & Pension (C&P) exam for Maxilla or mandible, chronic osteomyelitis, osteonecrosis or osteoradionecrosis of uses a Disability Benefits Questionnaire (DBQ) specific to the body system involved. The examiner documents the frequency, severity, and functional impact of your symptoms. Bring all relevant treatment records and be prepared to describe your worst-day symptoms — the examiner rates your condition based on the full clinical picture, not a single visit.

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