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Laboratory Test Directory

Ketone, Urine (Strip-method)


Name Method Department Units
Ketone, Urine Strip Urine dipstick
Core Lab, Urinalysis

Specimen Requirements

Urine - Random

Container Type Container Size Specimen Volume

Sterile container

N/A 10 mL

Room temperature - 2 hour(s)
Refrigerated - 24 hour(s)
Frozen - 1 week(s)

Specimen Preparation

  • Ship entire specimen to laboratory refrigerated

Reasons for Rejection

  • Use of urine preservative
  • Not received within specified time frame


Specimens not expected to arrive for testing within 2 hours must be refrigerated (for up to 24 hours) or frozen (up to 1 week). Those refrigerated specimens greater than 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." Refrigerated urines received more than 24 hours after collection will be rejected.

CPT Code

  • 81003