CONNECTIVE TISSUE DISEASES CASCADE SERUM

General Information

HLAB/HOL Code: CTDC
UPHSM LIS Test #: 023874
Schedule:
Testing Time: 3-4 Days
Testing Lab: Mayo

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 1.0 (0.5 min) mL
Temperature: Refrigerated
Tube Type: Serum
Collection Info:
Preferred: Serum gel
Acceptable: Red top

Specimen Acceptability

REJECT DUE TO:
Gross hemolysis: Reject
Gross lipemia: Reject
Gross icterus: OK

Methods

Enzyme-Linked Immunosorbent Assay (ELISA)

Clinical Utilities

Evaluation of patients with signs and symptoms compatible with connective tissue diseases
Initial evaluation of patients in clinical situations in which the prevalence of disease is low (2)
This test is not recommended for:
-Testing in clinical situations in which there is a high prevalence of connective tissue diseases (eg, rheumatology specialty practice)
-Follow-up evaluation of patients with known connective tissue diseases

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)

* The CPT codes provided 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 payer being billed.

Reference Range

Interpretative report provided.
REFERENCE VALUES:
Antinuclear Antibodies (ANA):
< or = 1.0 U (negative)
1.1 - 2.9 U (weakly positive)
3.0 - 5.9 U (positive)
> or = 6.0 U (strongly positive)
Reference values apply to all ages.

Cyclic Citrullinated Peptide Antibodies, IgG:
<20.0 U (negative)
20.0 - 39.9 U (weak positive)
40.0 - 59.9 U (positive)
> or = 60.0 U (strong positive)
Reference values apply to all ages.