Common Test-Ordering Errors
Part 4: Overordered Tests

July 2010

Dr. Dale reviews test-ordering errors commonly seen at Mayo Medical Laboratories. This is the fourth presentation in the series and addresses overordered tests including ordering molecular tests (eg, JAK2) on both blood and bone marrow specimens, and commonly overordered thyroid tests.

Presenter:

• Jane C. Dale, MD of the Division of Laboratory Medicine and Pathology

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See Also:

• Algorithm: Thyroid Function Ordering Algorithm
  
• Hot Topic: Thyroid Function Testing: A Brief Update
  
• Communiqué: Laboratory testing in thyroid cancer and Graves’ disease in children
  
• Communiqué: Androgen deficiency in older men and Subclinical Hypothyroidism
  
• Communiqué: Subclinical Hypothyroidism: An Update for Primary Care Physicians
  
• Education: Biochemical Testing Strategies for Thyroid Function with Emphasis on Subclinical Hypothyroid and Hyperthyroid Disorders
  
• Education: Intra-Operative Parathyroid

The Common Test-Ordering Errors Series

• Hot Topic: Common Test-Ordering Errors, Part 1: 1,25-Dihydroxyvitamin D/PTH-related Peptide/Uroporphyrinogen III Synthase
• Hot Topic: Common Test-Ordering Errors, Part 2: T&B Cells
• Hot Topic: Common Test-Ordering Errors, Part 3: Known Mutations / Molecular vs. Non-molecular Test for Given Disease / Chromosome Analysis
• Hot Topic: Common Test-Ordering Errors, Part 4: JAK2 on Blood and Bone Marrow/Free Thyroxine index (FTI) and T3 Uptake
• Hot Topic: Common Test-Ordering Errors, Part 5: Plasma Thiamin/Serum Folate/Zinc Protoporphyrin (ZPP)
• Hot Topic: Common Test-Ordering Errors, Part 6: HIV-Qualitative & Quantitative (Same Order)/Serum Bacterial Antigen
• Hot Topic: Common Test-Ordering Errors, Part 7: Helicobacter Pylori IgM/Stool Ova & Parasites
• Hot Topic: Common Test-Ordering Errors, Part 8: Mumps, Measles & Varicella Serologies/Lyme Serology

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