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Richards 1990 BUN/creatinine ratio as bun_mg_dl / creatinine_mg_dl, rounded to one decimal. A ratio of 36 or greater suggests upper gastrointestinal bleeding. A ratio below 36 is not helpful in locating the source and is not a lower-GI clas

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Our latest check (2026-10-11)

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Category
Calculators and conversions
Address
https://api.magentlab.com/api/calc/bun_creatinine_ratio

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