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SPOT URINE PROTEIN:CREATININE RATIO

Nephrology

SPOT URINE PROTEIN:CREATININE RATIO

The ratio of the urine protein:creatinine equates roughly to the 24-hour urinary protein in grams (i.e., a protein:creatinine ratio of 3.5 => a 24-hour urine of 3.5 gm). Proteinuria ranges, using spot ratio:

A. < 0.15 (150 mg) => normal

B. 0.03-0.3 (30-300 mg) => microalbuminuria

C. 0.3-1 => overt proteinuria, usually due to interstitial disease

D. > 3-3.5 => nephrotic range


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REFERENCES

1. Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
2. Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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