25 %

Osmolality, Urine : Serum Ratio

121 Ratings

Rs 1,240 Rs 1,649

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Test Description not updated

2 mL (1.5 mL min.) Serum from 1 SST AND 5 mL (3 mL min.) aliquot of random Urine. Do not use preservative. Separate serum within 1 hour of collection. Ship refrigerated. DO NOT FREEZE.

Freezing point depression

Sample Daily by 3 pm; Report Same day

The ratio between urine and serum osmolality helps in the differential diagnosis of Polyuria.

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No special preparation required

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