creatinine

Sample type:

Serum or plasma heparin

Uses:

Serum creatinine is the most commonly used screening test for renal failure.

Precautions:

Maintain specimen at room temperature.

Interfering factors:

Antibiotics containing cephalosporin lead to significant false-positive values.

Preanalytical errors:

Wrong labeling.

Corrective action

Label the sample correctly

Postanalytical erros

Wrong data entery

Corrective action

Insert the right data.

Reference range:

men: 0.74 to 1.35 mg/dL

women, 0.59 to 1.04 mg/dL