79.67—Proof of chronic renal disease.
(a)
In determining whether a claimant developed chronic renal disease following pertinent employment as an ore transporter, the Assistant Director shall resolve all reasonable doubt in favor of the claimant. A conclusion that a claimant developed chronic renal disease must be supported by medical documentation.
(b)
A claimant or beneficiary may submit any of the following forms of medical documentation in support of a claim that the claimant contracted chronic renal disease.
(ii)
Abnormal glomerular filtration rate (by either measured creatinine or iothalamate clearance or calculated by MDRD equation); and
(C)
Hyperphosphaturia, aminoaciduria, B-2 microglobinuria or alkaline phosphaturia or other marker of proximal tubular injury; or