Common Test-Ordering Errors
Part 5: Overordered Tests
Plasma Thiamin
Serum Folate
Zinc Protoporphyrin (ZPP)
Common MML Test-Ordering Errors

August 2010
In this 8-part series, I address 2 types of errors—misordered tests and overordered tests. In parts 1 through 3, I addressed the most commonly misordered tests, that is, tests ordered for the wrong purpose.
Common Test-Ordering Errors |
Jump to section:
- Introduction
- Testing at Mayo Medical Laboratories
- Common MML Test-Ordering Errors
- Overordered Tests
- Thiamin (Vitamin B1)
- Thiamin (Vitamin B1)
- Folate—Serum and RBC
- Diagnostic Algorithm for Macrocytic Anemia
- Simplified Versions of Vitamin-Dependent Pathways
- Lead Toxicity
- Heme Synthesis*
- Laboratory Assessment of Lead Toxicity
- Conclusion
- Questions?


