Diagnostic Testing in Primary Care

Common Laboratory Tests

Demonstration Multimedia Electronic Book

About the Authors

Dr. Jeanne Moore is the Director of the Family Nurse Practitioner Program at the Catholic University of America Conway School of Nursing.

Dr. Leigh Montejo is the Clinical Director for Distance Students at the Catholic University of America Conway School of Nursing.

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Table of Contents

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Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 03 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 04 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 06 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 07 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 08 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 09 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Introduction

Chapter 1

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Ordering & Interpreting Laboratory Tests

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Chapter 1

Ordering & Interpreting Laboratory Tests

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Panels

Some labs are ordered as a set or group called a "panel."

Basic Metabolic Panel (BMP)
◼ Blood Urea Nitrogen (BUN)
◼ Creatinine
◼ Calcium
◼ Glucose
◼ Chloride
◼ Potassium
◼ Sodium
◼ Carbon Dioxide (CO2)

Complete Metabolic Panel (CMP)
Includes all tests in the BMP plus:
◼ Albumin and Total Protein
◼ Bilirubin and Liver Enzymes

Lipid Panel
◼ Total Cholesterol
◼ High Density Lipoprotein (HDL)
◼ Triglycerides
◼ Low Density Lipoprotein (LDL)
◼ Total Cholesterol / HDL Ratio

Thyroid Panel
◼ Thyroid Stimulating Hormone (TSH)
◼ Thyroxine (T4 - free and total)
◼ Triiodothyronine (T3 - free and total)

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Avoid Over-Ordering

To prevent ordering unnecessary laboratory tests:

◼ Avoid ordering "baseline" or "screening" tests on patients who do not meet age- and risk-guideline recommendations.

◼ Avoid ordering tests that will not answer your diagnostic question(s).

◼ Always use evidence-based guidelines to support orders.

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