Clinics and Departments

Laboratory Services

Lab Dept:


Test Name:


General Information

Lab Order Codes:



Creatinine, Random Urine

CPT Codes:

82570 – Creatinine, other source

Test Includes:

Urine creatinine concentration in mg/dL


Test Indications:

Creatinine is a high energy compound used in the metabolic processes of muscle contraction. A portion of the free creatine in muscle spontaneously and irreversibly converts to creatinine. Creatinine is present in all body fluids and secretions. It is freely filtered by the kidney glomeruli and is measured to assess kidney function and in the diagnosis and treatment of renal disease.

Lab Testing Sections:


Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

1 day

Special Instructions:



Specimen Type:

Urine, random collection


Plastic leakproof container (No preservatives)

Draw Volume:

1 - 3 mL from a random urine collection

Processed Volume:

Minimum: 0.5 mL urine


A random urine sample may be obtained by voiding into a urine cup. Bring the container to the lab. Make sure all specimens submitted to the laboratory are properly labeled with the patient’s name, medical record number and date of birth.

Special Processing:

Specimen stability: Refrigerated: 4 hours

Patient Preparation:


Sample Rejection:

Mislabeled or unlabeled specimens


Reference Range:

Males: 40 – 278 mg/dL

Females: 29 – 226 mg/dL

Critical Values:





Enzymatic, correlated to IDMS traceable


EZCRA Flex® reagent cartridge insert sheet, Siemens Healthcare Diagnostics Inc, Newark, DE 19714, PN 781270.001, US, issue date 2013-08-20 Rev C

EZCR Flex® reagent cartridge insert sheet (RXL/MAX),, Siemens Healthcare Diagnostics Inc, Newark, DE 19714, PN 717270.003, US, issue date 2014-11-21 Rev E

EZCREA CAL product insert, Dimension Vista System, Siemens Healthcare Diagnostics Inc, Newark, DE 19714, PN 792018.002, US, issue date 03/2012 Rev E

Chemistry 1 Calibrator package insert, Siemens Healthcare Diagnostics Inc, Newark, DE 19714, PN 792018.002-US, Rev E, Issue date 06/2013

Clinical Significance, Dade Behring Inc., Glasgow Business Community, Mailbox 531, P.O. Box 6101, Newark, Delaware 19714

Jacobs & DeMott Laboratory Test Handbook (2001) Lexi-Comp, Inc, Hudson, OH, 5th Edition

Pediatric Reference Intervals, Sixth Edition, AACC Press, Washington DC, 2007

Biorad LiquichekÔ Unassayed Chemistry Control (Human) product insert, Irvine, CA

Biorad Multiqual® 1 & 3 Control Levels product insert, Bio-Rad Laboratories, Irvine, CA

Biorad Liquichekä Urine Chemistry 1 & 2 Control Levels Product insert, Bio-Rad Laboratories, Irvine, CA 92618


2/4/2013: Method update, previously listed as Alkaline Picrate/Kinetic
7/21/2015: Vista update.

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