Long-term kidney disease severe enough to require regular dialysis treatment to filter waste from the blood.
Because the rating turns on dialysis status and GFR levels, the most useful evidence is documentation that directly addresses those criteria. Records showing that you are currently receiving regular routine dialysis — such as dialysis center treatment logs, nephrology notes, or hospital records confirming the schedule — directly support the 100% level without the need for a GFR reading.
If dialysis has not started or has paused, lab reports showing GFR, estimated GFR (eGFR), or creatinine-based GFR calculations are central. VA will accept any of these when calculated by a medical professional. The readings need to cover at least three consecutive months within the past 12 months, so a series of dated lab results is more useful than a single measurement. Nephrology records that document the trend in kidney function over time help establish that the GFR has remained within a particular range.
If your condition also produces voiding problems or infections, those symptoms may be evaluated separately if they do not overlap with the renal dysfunction rating. Statements from you describing how symptoms affect daily activities can support that separation.
Conditions that are often caused or made worse by this one. If you have any of these, they may be claimable as secondary service connection.