Improved Compensation for Hearing Loss Act of 2013 - Directs the Secretary of Veterans Affairs (VA) to report to the congressional veterans committees on actions taken to implement the findings and recommendations included in the 2006 report by the Institute of Medicine of the National Academies entitled "Noise and Military Service: Implications for Hearing Loss and Tinnitus."
Requires the Secretary's report to include an evaluation of the extent to which veterans who had a military occupational specialty that is not included on the Duty Military Occupational Specialty Noise Exposure Listing are precluded from receiving VA benefits related to hearing loss.
Directs the Secretary to report to Congress on joint VA-Department of Defense (DOD) programs concerning the prevention, early detection, and treatment of hearing loss of members of the Armed Forces and veterans, as well as related matters.