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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Specific Gravity, Body Fluid

Test Code(s): BSG / HCBSG

CPT Code(s): 84315

Methodology: Refractometer

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: 1 hour.
Routine: 4 hours.


Specimen Requirements

Specimen: Body fluid

Collection Instructions: Indicate source of body fluid.

Collection Container: Preferred: Sterile screw cap container

Collection Volume: Preferred: 4 mL
Pediatrics: 0.5 mL

Sample Analyzed: Body fluid aliquot

Volume Required: Preferred: 1 mL
Pediatrics: 0.5 mL

Specimen Transport: Transport specimen to UWHC Core Laboratory (B4/220). Transport with coolant pack if coming from outreach location.


Interpretation

Result dependent on specimen type.

Body Fluid Specific Gravity

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