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Test ID: CRBF    
Creatinine, Body Fluid

Available on the App Store

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

Not applicable

Cautions Discusses conditions that may cause diagnostic confusion, including improper specimen collection and handling, inappropriate test selection, and interfering substances

Specimens with total bilirubin values >20 mg/dL may see decreased values. Protein, glucose, ascorbic acid, a-ketoacids and some cephalosporin antibiotics may interfere with the creatinine assay, causing an overestimation.

Clinical Reference Provides recommendations for further in-depth reading of a clinical nature

Tietz Textbook of Clinical Chemistry, Edited by CA Burtis, ER Ashwood. WB Saunders Company, Philadelphia, 1994