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McPhaul, Michael J., MD

Medical Director, Endocrinology & Metabolism
Quest Diagnostics
San Juan Capistrano, CA

Expert Insight: Mass Spectrometry—Applying the Gold Standard in Endocrinology

Presentation: Mass Spectrometry in the Endocrinology Diagnostic Laboratory

Publication: Consequences of the COVID-19 Pandemic: Reduced Hemoglobin A1c Diabetes Monitoring

Publication: Simultaneous Consideration of HbA 1c and Insulin Resistance Improves Risk Assessment in White Individuals at Increased Risk for Future Type 2 Diabetes

Publication: Gaps in Dyslipidemia Care Among Working-Aged Individuals With Employer-Sponsored Health Care.

Publication: Free thyroxine concentrations in sera of individuals with Familial Dysalbuminemic Hyperthyroxinemia: a comparison of three methods of measurement.

Publication: Performance of Plasma Biomarkers and Diagnostic Panels for Nonalcoholic Steatohepatitis and Advanced Fibrosis in Patients With Type 2 Diabetes.

Publication: Detection of Insulin-Like Growth Factor 1 Variants by Mass Spectrometry: Results from a Clinical Reference Laboratory.

Publication: Plasma Free Cortisol in States of Normal and Altered Binding Globulins: Implications for Adrenal Insufficiency Diagnosis.

Publication: Adrenal insufficiency in neonates undergoing cardiopulmonary bypass and postoperative hypothalamic-pituitary-adrenal function after prophylactic glucocorticoids.

Publication: Performance of the SteatoTest, ActiTest, NashTest and FibroTest in a multiethnic cohort of patients with type 2 diabetes mellitus.

Publication: Insulin Resistance Probability Scores for Apparently Healthy Individuals.

Publication: Elevated Hemoglobin A1c Is Associated With Incident Diabetes Within 4 Years Among Normoglycemic, Working-age Individuals in an Employee Wellness Program

Publication: Use of a Metabolomic Approach to Non-invasively Diagnose Nonalcoholic Fatty Liver Disease in Patients with Type 2 Diabetes Mellitus.

Publication: The relationship between IGF-I and -II concentrations and body composition at birth and over the first 2 months.

Publication: Correlation of Insulin-Like Growth Factor-I and -II Concentrations at Birth Measured by Mass Spectrometry and Growth from Birth to Two Months.

Publication: Discordance between mass spectrometry and immunometric IGF-1 assay in pituitary disease: a prospective study.

Publication: Prediction of Type 2 Diabetes by Hemoglobin A1c in Two Community-Based Cohorts.

Publication: Total and free cortisol levels during 1 μg, 25 μg, and 250 μg cosyntropin stimulation tests compared to insulin tolerance test: results of a randomized, prospective, pilot study.

Publication: Identification of the Underlying Androgen Receptor Defect in the Dallas Reifenstein Family

Publication: Mutational Analysis in Pediatric Thyroid Cancer and Correlations with Age, Ethnicity, and Clinical Presentation.

Publication: Surge in newly identified diabetes among medicaid patients in 2014 within medicaid expansion States under the affordable care act.

Publication: The Measurement of 3-Epimer 25-Hydroxyvitamin D by Mass Spectrometry in Clinical Specimens Detects Inconsequential Levels in Adult Subjects