Specific Gravity, Urine
| Sunquest Code: | USG | ||
| Epic Code: | LAB3864 | Epic Name: | Specific Gravity Urine |
| Synonyms: | Refractive Index, Urine | ||
| Methodology: | Reagent strip | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
| Special Instructions: | Urine is the only appropriate fluid for specific gravity. For other body fluids, alternatively order a total protein. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Urine, random collection |
| Optimal Volume: | Submit entire collection; analysis requires 0.5 mL |
| Container: | Plastic leakproof container, sterile |
| Collection Instructions: | Deliver to laboratory within 1 hour. Specimen of choice is first morning mid-stream clean catch urine. Refrigerate urine if it cannot be delivered immediately. |
| Causes for Rejection: | Collected with preservative. |
Processing and Shipping
| Specimen Processing: | Store in refrigertor. If sending, aliquot 1 mL and send within 2 hours room temperature; 24 hours refrigerated. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Test Performed at or Referral Lab | Urinalysis (University of Minnesota Health Maple Grove Clinics, Range, UMMC-West Bank, UMMC-East Bank, Oxboro Bloom, Lakes, Ridges, Northland, Southdale, Clinics, Grand Itasca, St. Joseph's, St. John's, Woodwinds) |
Interpretive
| Reference Range: |
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