SP GR UR

Specific Gravity, Urine

EPIC Test Procedure Code: LAB3126

Performing Lab:
Saint Luke's Regional Laboratories
Container Type:
Sterile plastic urine container, tiger top urine tube or yellow top (no preservative) urine tube
Specimen Type:

Urine, random collection

Preferred Volume:
8 mL tiger top urine tube or 10 mL yellow top urine tube
Collection Procedure:

Instructions To Transfer Urine Specimen Into Tiger Top and Yellow Top Evacuated Tubes Using BD Vacutainer® Urine Transfer Straw:
1. Place the urine cup on a clean, flat surface.
2. Place the tip of the transfer straw into the urine specimen. The urine cup may be tipped at an angle if the volume of urine is limited.
3. Place the evacuated tiger top or yellow top tube into the holder, stopper down.  Advance the tube over the puncture point to pierce the stopper.
4. Hold the tube in position until filled.
5. Remove the tube from the holder.
6. Mix the tube 8 - 10 times by inversion.
7. Lift the transfer straw from the cup and allow the specimen to drain.  Discard the transfer straw in a biohazard container approved for sharps disposal.
8. Label the tiger top and/or yellow top tube with two patient identifiers for transport to the laboratory.

Store and Transport:
Cup or yellow top tube - Refrigerate and send on ice
Tiger top tube - Room temperature
Stability:

The tiger top tube is stable at room temperature for 72 hours.
The cup or yellow top tube is stable at 2 - 8 °C for 24 hours.

CPT Codes:

81003 - Specific Gravity Urine (EAP 30722862)

Test Schedule:
Monday through Sunday
Reference Ranges:

Specific gravity:

>1.005 - <1.030

Lab Personnel

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