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Test Code LAB66 Creatinine Serum

Clinical Information

This test measures creatinine in serum or plasma.

Synonym

  • CREA

Specimen Required

Preferred Container/Tube: Mint Green Top
Acceptable Container/Tube: Mint Green Top, Gold SST Top
Specimen Volume: 3 mL
Specimen Minimum Volume: 1 mL

Specimen Stability Information

Refrigerated: 7 days

Rejected Due To

  • Gross hemolysis
  • Gross icterus
  • Quantity not sufficient
  • Quality not acceptable

Reference Values

FEMALE MALE

CREA
0-30 days: 0.50-0.90 mg/dL
31-365 days: 0.40-0.60 mg/dL
1-3 years: 0.40-0.70 mg/dL
4-6 years: 0.50-0.80 mg/dL
7-9 years: 0.50-0.90 mg/dL
10-12 years: 0.60-1.00 mg/dL
13-15 years: 0.70-1.10 mg/dL
16-18 years: 0.80-1.20 mg/dL
19+ years: 0.50-1.20 mg/dL

 

eGFR
≥60 mL/min/1.73m2

CREA
0-30 days: 0.50-1.20 mg/dL
31-365 days: 0.40-0.70 mg/dL
1-3 years: 0.40-0.70 mg/dL
4-6 years: 0.50-0.80 mg/dL
7-9 years: 0.60-0.90 mg/dL
10-12 years: 0.60-1.00 mg/dL
13-15 years: 0.60-1.20 mg/dL
16-18 years: 0.80-1.40 mg/dL
19+ years: 0.70-1.30 mg/dL

 

eGFR
≥60 mL/min/1.73m2

Cautions

Creatinine results may be falsely decreased in icteric samples. In some cases of monoclonal gammopathies (especially Waldenstrom's macroglobulinemia with very high concentrations of IgM), creatinine results may be unreliable.

Method Description

Kinetic Jaffe

Performing Lab

Clinical Lab UH
Clinical Lab University East
Clinical Lab James
Clinical Lab Martha Morehouse
Clinical Lab Spielman
Clinical Lab West Campus

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 day

Reporting Name

Creatinine

CPT Code Information

82565

LOINC Code Information

2160-0
98979-8