| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Specific Gravity - Body Fluid refractometer
MessagePerformed in Hematology
Test Code
SGBF
Preferred Specimen
1.0 mL Body Fluid in sterile container
Minimum Volume
Minimum: 0.5 ml
Instructions
Specimen should be delivered to lab STAT
Specimen Stability
Storage Temperature and Stability after Collection: Ambient: Up to 2 hours Refrigerated: Up to 24 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen submitted in urine culture tube Specimen containing preservative Specimens containing fecal contamination
Setup Schedule
Daily
Report Available
Less than 4 hours
Reference Range
| UNITS OF MEASURE | % | |
| AGE RANGE | MALE | FEMALE |
| 0 – 150 Y | Normal values vary greatly for different types of body fluid | |
Critical Values: None
Clinical Significance
The measurement of specific gravity gives an indication of the total solute concentration. The inability to concentrate or dilute urine is an indication of renal disease or hormonal deficiency. In serous fluids, the specific gravity helps to differentiate between exudates and transudates.
