Cystatin C
Access Medical Labs
Sample type: Serum
Requires fasting: No
Sample collection required
Details
Cystatin C is a protein produced by all nucleated cells that is filtered by the kidneys. It serves as a sensitive and early marker of kidney function, often providing a more accurate assessment of glomerular filtration rate (GFR) than creatinine, especially in certain populations.
- Cystatin C, Serum
Estimated days for results: Results should arrive 6 - 8 business days after the lab receives samples.
6–8 business days
Blood Draw Options with Fullscript
Fullscript offers several convenient phlebotomy options to complete your lab testing.
Preferred or Independent Phlebotomist
- Location: Use Fullscript's directory to find a local phlebotomist.
- Cost: Varies by provider; typically $30 – $80.
- Scheduling: Schedule your appointment here. Contact your selected provider directly for availability. Calling by phone is recommended.
- Collection Instructions:
- Bring a valid ID.
- Bring your digital or printed requisition form, available in the Labs tab of your Fullscript account.
- If you have ordered additional Access Medical Labs tests, collect those samples before your blood draw and bring them with you. YOU MUST ship all of your Access Medical Labs test samples together.
- More Info:
Getlabs Mobile Phlebotomy
- Location: Sample collection at your home or office.
- Cost: $85 sample collection fee (paid during lab order checkout).
- Availability: Available in most locations – enter your ZIP code during checkout to confirm.
- Scheduling: Schedule your appointment here through your Fullscript account.
- Collection Instructions:
- Have your digital or printed requisition form and valid ID ready.
- Your phlebotomist will contact you by phone to coordinate arrival.
- If you have ordered additional Access Medical Labs tests, collect those samples before your blood draw and have them ready to ship. YOU MUST ship all of your Access Medical Labs test samples together.
- More Info: Getlabs blood draw guide
- Preferred Specimen(s): 1 mL serum
- Alternative: NA
- Minimum Volume: 1 mL
- Collection Instructions: NA
- Transport Container: NA
- Transport Temperature: NA
- Specimen Stability: NA
- Reject Criteria: NA
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
