Mandible, malunion of — VA Rating Criteria (38 CFR DC 9904)

The VA rates Mandible, malunion of under Diagnostic Code 9904 at the following tiers: 0%, 10%, 20%. The minimum 0% rating requires: Displacement, not causing anterior or posterior open bite. The maximum 20% rating requires: Displacement, causing severe anterior or posterior open bite.

Diagnostic Code 9904 is the VA rating identifier for Mandible, malunion 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.

The highest schedular rating for Mandible, malunion of under DC 9904 is 20%. This tier requires: Displacement, causing severe anterior or posterior open bite. Veterans who cannot secure substantially gainful employment due to Mandible, malunion of alone or in combination with other service-connected conditions may also qualify for TDIU at the 100% compensation rate under 38 CFR § 4.16.

Mandible, malunion of is rated under 38 CFR 38 CFR § 4.150, Diagnostic Code 9904. This section is part of the Schedule for Rating Disabilities (38 CFR Part 4) and can be read in full at the eCFR website.

Secondary conditions caused or aggravated by Mandible, malunion of may be ratable under 38 CFR § 3.310. Veterans should work with a VSO or accredited claims agent to document the medical relationship.

Service connection for Mandible, malunion 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.