Common Test-Ordering Errors
Part 1: Misordered Tests
1,25-Dihydroxyvitamin D
PTH-related Peptide
Uroporphyrinogen III Synthase
Vitamin D Assessment

April 2010
We believe that the analyte 1,25-Dihydroxyvitamin D is frequently mistakenly ordered to assess vitamin D stores and vitamin D sufficiency. Why is that?
Vitamin D Assessment |
Jump to section:
- Introduction
- Testing at Mayo Medical Laboratories
- Common Test-Ordering Errors
- Misordered Tests
- Vitamin D Assessment
- Vitamin D
- Vitamin D Assessment
- Sources of Vitamin D
- Vitamin D Pathway
- Sunlight Exposure
- Vitamin D Pathway
- Useful For
- Required Specimen Volumes
- Parathyroid Hormone (PTH)
- Porphyria Enzymes
- Conclusion
- Questions?


