von Willebrand factor (vWf) Ag
Normal range
9 published ranges, each from a named source 50150 % drawn: all ages · American Board of Internal Medicine (Laboratory Test Reference Ranges)
- 18 y+
- 52–214 %
- Normal
- 50–200 % (varies by lab)ABIM 50–150 · Mayo 55–200 %
These labs do not agree: the published adult ranges differ by up to 33%, so the same result can read as normal at one lab and be flagged at another — ABIM 50–150 · Mayo 55–200 %. Both are real published values, shown as each lab states them.
Ranges from ARUP Laboratories Test Directory, American Board of Internal Medicine (Laboratory Test Reference Ranges), Mayo Clinic Laboratories (Pediatric Test Catalog).All source ranges (9)
| Source | Sex | Age | Range |
|---|---|---|---|
| American Board of Internal Medicine (Laboratory Test Reference Ranges) | All | all ages | 50–150 % |
| ARUP Laboratories Test Directory | All | ≤ 6 y | 52–214 % |
| ARUP Laboratories Test Directory | All | 7 y – 9 y | 62–180 % |
| ARUP Laboratories Test Directory | All | 10 y – 11 y | 63–189 % |
| ARUP Laboratories Test Directory | All | 12 y – 13 y | 60–189 % |
| ARUP Laboratories Test Directory | All | 14 y – 15 y | 57–199 % |
| ARUP Laboratories Test Directory | All | 16 y – 17 y | 50–205 % |
| ARUP Laboratories Test Directory | All | 18 y+ | 52–214 % |
| Mayo Clinic Laboratories (Pediatric Test Catalog) | All | all ages | 55–200 % |
details
- Sample
- Serum or plasma · LOINC
- Code
- LOINC 27816-8 · %
- Also known as
- Von will, Vonwillebrand, RLMCNC, Control, Fact
See your own von Willebrand factor (vWf) Ag Add a lab report and it is drawn against your lab's range, over time. Upload a Blood Test