The Veteran is seeking an increased rating for his service-connected type 2 diabetes mellitus and a TDIU prior to November 15, 2019. The case is on appeal from a February 2018 rating decision. Additional evidence was associated with the claims file since the November 2019 supplemental statement of the case but no SSOC has been issued yet. As the issue of TDIU is inextricably intertwined with his diabetes mellitus increased rating claim, both issues are remanded.

The Veteran's need for regular aid and assistance of another person due to service-connected disabilities has been established, allowing him to receive special monthly compensation at the aid and attendance rate.

The Board has remanded the claims for service connection for the cause of death and burial benefits due to a lack of medical opinion regarding the Veteran's exposure at Camp Lejeune, which could impact his eligibility for these benefits.

The Veteran's TDIU for accrued benefits purposes is granted, and the initial compensable rating for his service-connected back scar is denied. The claims of higher ratings for lumbar spine disability, bilateral lower extremity radiculopathy are remanded.

The Veteran's tinnitus claim is denied as he does not have a current disability.,The Veteran's prostate cancer claim is denied due to lack of exposure to contaminated water at Camp Lejeune and insufficient evidence linking his condition to service.,The Veteran's left ankle disability claim is remanded for further examination and opinion regarding pre-existing versus in-service aggravation.,The Veteran's lower back disability claim is remanded for a VA examination and medical opinion on the relationship between his current condition and service.,The Veteran's depression claim is remanded for a VA examination and medical opinion on the relationship between his current condition and service.,The Veteran's bilateral hearing loss claim is remanded for a new VA examination to determine if he has hearing loss and whether it is related to service.,The Veteran's type 2 diabetes mellitus, sleep apnea, and nontoxic goiter claims are remanded for further examination and opinion regarding their relationship to his left ankle injury.,The Veteran's sleep apnea claim is remanded for a VA examination and medical opinion on the relationship between his current condition and service.,The Veteran's nontoxic goiter claim is remanded for a VA examination and medical opinion on the relationship between his current condition and service.