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Test Code PRCR Protein/Creatinine Ratio, Urine

Additional Codes

EPIC LAB4172

Methodology

Urine Protein - Timed endpoint method (Beckman Coulter UniCel DxC 660i)

Urine Creatinine - Modified Jaffe method (Beckman Coulter UniCel DxC 660i)

Sample Type

  • Urine, Random

 

Centrifuge: Yes

Specimen Minimum Volume

Urine Protein - 0.3 mL

Urine Creatinine - 0.3 mL

Specimen Stability

Urine Protein 

Temperature Time
Ambient (18-25°C) 2 hours
Refrigerated (2-8°C) (store) 7 - 10 days
Frozen (-15 to -20°C) N/A

 

Urine Creatinine

Temperature Time
Ambient (18-25°C) 8 hours
Refrigerated (2-8°C) (store) 48 hours
Frozen (-15 to -20°C) 1 month*

*Avoid repeat freeze/thaw cycles. 

Reference Ranges

Normal Range
Not established

Rejection Criteria

  • Samples outside stability limits
  • Samples not properly labeled (2 patient identifiers required)

Availability

Performed STAT
24/7 Yes

 

Performing Laboratory

MultiCare Yakima Memorial Hospital Laboratory

Lab Department

Chemistry

CPT Code

84156
82570

LOINC

34366-5 Protein/Creatinine (U) [Ratio]

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