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Epic Code LAB3485 OB Protein/Creatinine Random Urine

Important Note

This test is limited to obstetrical patients. Please do not order on non-OB patients.

Test Name Alias

OB Protein/Creatinine Random Urine | Protein/Creatinine Urine Random | 7017

Interface Order Alias


Quick Collect


Ordering Instructions

This test is only for Obstetric (OBGYN) Patients.

For non-obstetric patients, order LAB7430 Protein/Creatinine Urine Random

Collection Instructions

Specimen Collection: Urine, Random


Container(s): Sterile Urine Cup or Pale Yellow Top Urine Tube-no preservative

Preferred Volume to Collect: 10.0 mL

Minimum Volume to Collect: 1.0 mL


Collection Instructions:


Processing Instructions (Laboratory, Outpatient or Off-site collection)

  • Transport Temperature: Refrigerated
  • Keep container upright at all times and check that lid is fastened evenly and securely.

Specimen Stability

Ambient: 8 hours

Refrigerate: 72 hours

Frozen: Acceptable

Laboratory Retention: 72 hours

Test Frequency

Available daily, usual TAT 1 day.

Reference Range

0 – 0.19 Ratio

Laboratory Critical Values Table


Performing Department


Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Big Rapids Laboratory, Big Rapids, MI
Corewell Health Gerber Laboratory, Fremont, MI
Corewell Health Kelsey Laboratory, Lakeview, MI
Corewell Health Ludington Laboratory, Ludington, MI
Corewell Health Pennock Laboratory, Hastings, MI
Corewell Health Greenville Laboratory, Greenville, MI
Corewell Health Zeeland Laboratory, Zeeland, MI


Ur protein method: Benzethonium Chloride

Ur creatinine method: Enzymatic Colorimetric


84156, 82570

CDM Code

3018415601, 3018257009

Epic Test ID


Reviewed Date