specific gravity
Medical term Special Collections
How concentrated urine is compared with water. In drug testing, low specific gravity with low creatinine marks a dilute specimen.
Related terms
- dilute specimenUrine whose creatinine and specific gravity both fall below the values normally expected for human urine.
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- split specimenOne urine void divided into two sealed bottles: the primary (Bottle A, at least 30 mL) for testing and the…
- substituted specimenA drug-test specimen whose creatinine and specific gravity are so far off that it is not consistent with…
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