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Laboratory Test Directory

Specific Gravity, Urine (Updated)

Components

Name Method Department Units
Specific Gravity, Urine Refractometer
Core Lab, Urinalysis

Specimen Requirements

Urine - Random

Container Type Container Size Specimen Volume
Preferred

Sterile container

N/A 10 mL
Stability

Room temperature - 2 hour(s)
Refrigerated - 24 hour(s)

Reasons for Rejection

  • Use of urine preservative
  • Frozen specimen
  • Collected in diaper

Comments

Specimens not expected to arrive for testing within 2 hours must be refrigerated for up to 24 hours. Those specimens greater that 12 hours but less than 24 hours will be tested with a comment stating "Urine more than 12 hours old. Results may be adversely affected." Urines received more than 24 hours after collection will be rejected

CPT Code

  • 81002