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Connective Tissue Disease Cascade, Serum
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
CTDC
CPT Codes
86038 86200 83516-Centromere (if appropriate) 83516-Ribosome (if appropriate) 86225-ds-DNA Ab with Reflex (if appropriate) 86255-ds-DNA Ab by Crithidia IFA (if appropriate) 86235 x 6-RNP, Sm, SS-B, SS-A, Jo 1, and Scl 70 (if appropriate)
Preferred Specimen
1 mL Serum
Minimum Volume
0.7 mL
Instructions
Allow blood to clot. Centrifuge and transfer serum to a plastic vial.
Transport Container
Plastic vial
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature: N/A
Refrigerated: 21 Days
Frozen: 21 Days
Refrigerated: 21 Days
Frozen: 21 Days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, gross lipemia
Methodology
Enzyme-Linked Immunosorbent Assay (ELISA)
Setup Schedule
Monday - Saturday
Report Available
3 - 4 days
Clinical Significance
Evaluation of patients with signs and symptoms compatible with connective tissue diseases
Performing Laboratory
MAYO CLINIC LABORATORIES
3050 SUPERIOR DR NW
ROCHESTER, MN 55901
Last Updated: November 19, 2021