The Board has remanded the Veteran's claims for increased ratings, service connection and TDIU due to insufficient clinical evidence regarding the current severity of his service-connected conditions. Additional VA examinations are needed to determine the impact of all disabilities on his ability to work.

The Veteran's tinnitus is granted as service-connected, with a rating of 10 percent.,The Veteran's back disability remains at a 40 percent rating. The Board finds the evidence does not support an increase to higher ratings.,The Veteran's radiculopathy of the femoral nerve in both lower extremities are each granted initial 20 percent ratings.,Service connection for GAD, bilateral hearing loss, and chronic kidney pain is remanded.,A compensable disability rating (greater than 0 percent) for chronic kidney infections is also remanded.

The Veteran's claim for service connection for tension headaches was granted with an effective date of August 28, 2014.,Service connection for eczema was granted with an effective date of August 10, 2022. The Veteran requested an earlier effective date but the request was denied.

The Veteran's hypertension, left knee patellofemoral syndrome, and right knee patellofemoral syndrome have been granted service connection as secondary to his service-connected disabilities. The lumbar spine disability has also been granted but the effective date is not specified.

The Board dismissed the Veteran's appeal for service connection of a right ankle disorder.,The Board denied the Veteran's request for an earlier effective date for his service connection for gastroenteritis, lumbosacral strain, left lower extremity radiculopathy, right lower extremity radiculopathy, left ankle lateral collateral ligament strain, right knee strain and hemorrhoids. The earliest effective date is December 5, 2018.,The Board denied the Veteran's request for an earlier effective date for his service connection of a lumbosacral strain. The earliest effective date is December 5, 2018.,The Board denied the Veteran's request for an earlier effective date for his service connection of left lower extremity radiculopathy, sciatic nerve. The earliest effective date is December 5, 2018.,The Board denied the Veteran's request for an earlier effective date for his service connection of right lower extremity radiculopathy, sciatic nerve. The earliest effective date is December 5, 2018.,The Board denied the Veteran's request for an earlier effective date for his service connection of a left ankle lateral collateral ligament strain. The earliest effective date is December 5, 2018.,The Board denied the Veteran's request for an earlier effective date for his service connection of right knee strain. The earliest effective date is December 5, 2018.,The Board denied the Veteran's request for an earlier effective date for his service connection of hemorrhoids. The earliest effective date is December 5, 2018.