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HELPFUL LINKS!

 

LAB COMMUNICATIONS 

 

COLLECTION & HANDLING

 

SPECIMEN TRANSPORTATION

Please call 616.774.7721 for specimen pick up

 

GENERAL INFORMATION

 

GENERAL TEST INFORMATION

 

BILLING

 

WEBSITES

Mayo Clinic Laboratories

Epic Code LAB3226 Cystatin C

Test Name Alias

3014 | cystatin 3 

Interface Order Alias

11631

Collection Instructions

Specimen Collection: Blood

Container(s): Gold Top (Serum Separator-SST Gel)

Preferred Volume to Collect: 5.0 mL

Minimum Volume to Collect: 2.0 mL

Neonate Volume to Collect: At least 1 full microtainer, not shared with other tests

Capillary collect ok: Yes

Microtainer acceptable: Yes, at least 1 full microtainer, not shared with other tests

Collection Instructions:

  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 2 hours – See Processing Instructions.

 

PROCESSING INSTRUCTIONS (LAB, OUTPATIENT, OR OFF-SITE COLLECTION

 

  • Processed Specimen: Serum

  • Centrifuge/Spin: Yes

  • Aliquot: No

  • Processing Instructions:

    • Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.

  • Transport Temperature: Refrigerate

Specimen Stability

Ambient: 8 hours

Refrigerate: 3 days

Frozen: aliquot serum for longer storage

Laboratory Retention: 3 days

Test Frequency

Testing will be batched and performed on Monday, Wednesday, and Friday.

Reference Range

≥ 19 years old: 0.60 – 1.15 mg/L

Reference values have not been established for pediatrics. Refer to estimated glomerular filtration rate (eGFR).

Performing Department

Chemistry

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Methodology

Turbidimetric

CPT

82610

CDM Code

3018261001

Epic Test ID

1230102197

LOINC

Cystatin C: 33863-2

Mayo Access Code

SHO11631 (former: | SHO3014)

Reviewed Date

2/15/2023

Updated Date

4/2/2025 - Stability, retention, reference range and performing department updated (330)