Quick Reference
- Full form
- Protein C
- Sample type
- Blood
- Fasting
- Not required
- Marker measured
- 1
- Report turnaround
- Same day
- Available at
- All locations
About Protein C
Protein C is a natural anticoagulant your body produces, and deficiency can raise your risk of abnormal blood clotting. This test is typically ordered after an unexplained clot or with a family history of clotting disorders.
No fasting is required, and results are available the same day.
How to Prepare
- No fasting required.
- No special preparation needed before your blood draw.
Frequently Asked Questions
What does Protein C testing check for?
It checks levels of a natural anticoagulant, where deficiency can raise your risk of abnormal blood clotting.
Do I need to fast before this test?
No fasting is required.
When would my doctor order this test?
Typically after an unexplained blood clot or when there is a family history of clotting disorders.
Is this test done alongside Protein S?
Yes, both are often tested together as part of a clotting risk workup.
How soon will my report be ready?
Same day.
Is home sample collection available?
Yes, in all City Care Lab service areas.
This page provides general health information and is not a substitute for medical advice. Speak with your doctor about your specific results and treatment.