Connective Tissue Disease Cascade, Serum

Message

For 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

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

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.