A single low eGFR can reflect acute illness, dehydration or a temporary drug effect, and a single raised albumin-to-creatinine ratio can follow exercise or infection. Chronic kidney disease requires an abnormality that persists for at least three months, so repeat both tests before making the label unless there is clear evidence of long-standing disease.
Once confirmed, record the eGFR category and the albuminuria category together, because the two determine risk and follow-up frequency.
- Repeat low eGFR or raised albuminuria after three months before labelling chronic kidney disease
- Rule out acute illness, dehydration and interacting drugs first
- Record eGFR and albuminuria categories together
- Use the combined category to set follow-up frequency
Why it matters
A premature label causes anxiety and over-referral, and a missed one delays treatment.
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