Low-molecular-weight protein freely filtered by the glomerulus, not affected by muscle mass. More sensitive than creatinine at detecting early renal impairment.
| Sex | Age | Range | Notes |
|---|---|---|---|
| All | ≥ 18 yrs | 0.6 – 1.15 | Adult; may be used to calculate eGFRcys |
⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.