Creatinine

Overview

  • EPIC Code:
  • LAB970
  • Soft Test Code:
  • CREAT
Alternate Names
  • Cr
  • eGFR
  • Estimated Glomerular Filtration Rate
  • GFR
  • Glomerular Filtration Rate
Included Tests

Creatinine; GFR Calculation


Specimen Collection & Preparation

Specimen Requirements:

-OR-

1.0 mL Plasma from a PST Mint Green Top Tube - Lithium Heparin
Minimum Volume:
0.25 mL Plasma*
Neonatal Volume:
0.3 mL Whole Blood Green Microtainer*

* This volume does not allow for repeat testing

Transport and Storage:
  • Ambient (18-24°C): 7 Days
  • Refrigerated (2-8°C): 7 Days

Clinical Interpretation

Reference Range:

Male: 
< 1 year: 0.3 - 1.0 mg/dL
1 year to 4 years: 0.1 - 0.4 mg/dL
5 years to 11 years: 0.2 - 0.7 mg/dL
12 years to 15 years: 0.4 - 0.9 mg/dL
> = 16 years: 0.8 - 1.40 mg/dL

Females
< 1 year: 0.3 - 1.0 mg/dL
1 year to 5 years: 0.1 - 0.5 mg/dL
6 years to 15 years: 0.3 - 0.7 mg/dL
> = 16 years: 0.6 - 1.10 mg/dL


Critical Ranges:

> 10.0 mg/dL


Test Comments:

GFR will not reflex if patient is less than 18 years of age. 
IDMS Traceable


Methodology:
  • Enzymatic

Production Schedule

Sites Performed
  • Parkview Cancer Institute
  • Parkview DeKalb Hospital
  • Parkview Huntington Hospital
  • Parkview Kosciusko Hospital
  • Parkview LaGrange Hospital
  • Parkview Noble Hospital
  • Parkview Randallia Hospital
  • Parkview Regional Medical Center
  • Parkview Southwest
  • Parkview Wabash Hospital
  • Parkview Whitley Hospital
Days Performed
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Chemistry
Turn Around Time

Same day/next day


Stat Eligible

Coding & Compliance

CDM

01420086


CPT Coding

82565