Test Code 8863 Specific Gravity (Urine)
Purpose
As a partial assessment of the kidney's ability to concentrate urine.
Performing Laboratory
Copley Hospital
Methodology
Refractometer/Dipstick
Specimen Requirements
Specimen Type: Urine (Random)
Container/Tube: Sterile Plastic Container
Specimen Volume: 50 mL
Specimen Minimum Volume: 5 mL
Collection Instructions:
Collection Instructions:
1. For 24 Hour Urines: Refrigerate during collection
and follow instructions for “24 Hour Urine Collection”
under “Specimen Collection and Handling” within the
links menu on the left side of the screen.)
2. Label specimen with patient’s full name, date of birth,
date & time of collection (Both Start & End Times for
24-Hour Urines) and person collecting.
3. Refrigerate specimen during transport.
Reference Values
Normal: 1.001 - 1.035
Stability
Refrigerated: 3 Days
Day(s) Performed
Daily
Available STAT
Analytical Time: 1 Day
Aliases
Specific Gravity (Urine)
Specific Gravity
Test Classification & CPT Coding
81002