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Table 4 Maximum repetitive order frequencies available by single order

From: Promoting improved utilization of laboratory testing through changes in an electronic medical record: experience at an academic medical center

Maximum repetitive frequency allowed in a single order

Examples of tests in this category

Once

CBC differential

Blood smear morphology review by technologist or pathologist

Albumin

Alpha-fetoprotein

Amylase

Angiotensin converting enzyme

C-Peptide

C-Reactive Protein

CA-125

Epstein-Barr virus serologies

Hemoglobin A1C

Hemoglobin electrophoresis

Lipase

Lipids (cholesterol, high-density lipoprotein, low-density lipoprotein, triglycerides)

Molecular pathology (e.g., Factor V Leiden genotyping)

Phosphorus

(Most) Send-out testing

Thyroid stimulating hormone

Every 72 hours

Erythrocyte Sedimentation Rate

Serum free light chains (kappa/lambda)

Daily

Basic metabolic panel

Electrolyte panel

Once per week

Aspergillus galactomannan

Histoplasma antigen

Serum and urine protein electrophoresis