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Epic Code LAB66 Creatinine

Test Name Alias

CRET | Creat | SHO8125 | 1230100530

Interface Order Alias

10036

Collection Instructions

Specimen Collection: Blood

 

Container(s): Gold Top (Serum Separator-SST Gel) or Light Green Top (Lithium Heparin Gel)

  • Preferred Volume to Collect: 4.5 mL
  • Minimum Volume to Collect: 1.0 mL
  • Neonate Volume to Collect: 0.5 mL
  • Capillary collect ok? Yes
  • Microtainer acceptable: Yes

 

Collection Instructions:

  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 2 hours See Processing Instructions.

 

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

  • Processed Specimen: Serum or Plasma
  • Centrifuge/Spin: Yes
  • Aliquot: Yes
  • Processing Instructions:

    • Serum is preferred specimen type

    • Green Tube/Plasma: Centrifuge after collection.

    • Gold Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.

  • Transport Temperature: Refrigerated

Specimen Transport Temperature

Refrigerate

Specimen Stability

Ambient: 12 hours

Refrigerate: 72 hours

Frozen: aliquot plasma/serum for longer storage

Laboratory Retention: 72 hours

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

 

 

Analyte | Sex | Age CHW CHS
Creatinine Male 0 up to 60 Days 0.20 – 0.50 mg/dL 0.30 - 0.90 mg/dL
Creatinine Male 61 Days up to 3 Years 0.20 – 0.50 mg/dL 0.20 – 0.40 mg/dL
Creatinine Male 3 Years up to 6 Years: 0.30 - 0.60 mg/dL 0.20 – 0.40 mg/dL
Creatinine Male 6 Years up to 10 Years: 0.30 - 0.60 mg/dL 0.30 - 0.60 mg/dL
Creatinine Male 10 Years up to 12 Years: 0.40 – 0.80 mg/dL 0.30 - 0.60 mg/dL
Creatinine Male 12 Years up to 16 Years: 0.40 – 0.80 mg/dL 0.50 - 0.80 mg/dL
Creatinine Male 16 Years up to 18 Years 0.50 – 1.10 mg/dL 0.70 - 1.20 mg/dL
Creatinine Male 18 Years and up 0.60 – 1.30 mg/dL 0.70 - 1.20 mg/dL
     
Creatinine Female 0 up to 60 Days 0.20 – 0.50 mg/dL 0.30 – 0.90 mg/dL
Creatinine Female 60 Days to 3 Years 0.20 – 0.50 mg/dL 0.20 – 0.40 mg/dL
Creatinine Female 3 Years up to 6 Years 0.30 – 0.60 mg/dL 0.20 – 0.40 mg/dL
Creatinine Female 6 Years Up to 10 Years 0.30 – 0.60 mg/dL 0.30 – 0.60 mg/dL
Creatinine Female 10 Years up to 12 Years 0.40 – 0.80 mg/dL 0.30 – 0.60 mg/dL
Creatinine Female 12 Years up to 16 Years 0.40 – 0.80 mg/dL 0.50 – 0.80 mg/dL
Creatinine Female 16 Years up to 18 Years: 0.40 – 0.90 mg/dL 0.50 – 1.00 mg/dL
Creatinine Female 18 Years and up 0.50 – 1.10 mg/dL 0.50 – 1.00 mg/dL

 

Estimated Glomerular Filtration Rate (eGFR)

≥ 60mL/min/1.73m^2

 

Laboratory Critical Values Table

Performing Department

Chemistry

Performing Department Laboratory Location

CHW

Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Big Rapids Laboratory, Big Rapids, MI
Corewell Health Blodgett Laboratory, Grand Rapids, MI
Corewell Health Gerber Laboratory, Fremont, MI
Corewell Health Greenville Laboratory, Greenville, MI
Corewell Health Ludington Laboratory, Ludington, MI
Corewell Health Pennock Laboratory, Hastings, MI
Corewell Health Reed City Laboratory, Reed City, MI
Corewell Health Zeeland Laboratory, Zeeland, MI

 

CHS

Corewell Health Lakeland St. Joseph Laboratory, St. Joseph, MI

Corewell Health Lakeland Niles Laboratory, Niles, MI

Corewell Health Watervliet Laboratory, Watervliet, MI

Methodology

Enzymatic

CPT

82565

CDM Code

3018256501, 3018256501

Epic Test ID

1230100530

LOINC

 

Result Alias Result Description LOINC
20113 Creatinine 2160-0
22065 MDRD eGFR 33914-3
22370 CG eCrCL 35591-7

 

Mayo Access Code

SHO8125

Reviewed Date

3/7/2024

Updated Date

3/14/2024 - Reference Range

5/2/2025 - CHS info added

12/2/2025 - Gold Top Preferred specimen

Orderable Regions

Southwest; West