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ILDdx Profile (RDL)

CPT: 83516(x6); 83520; 86038; 86200; 86235(x4); 86255; 86431
To be determined. Updates will be made when available.
83516(x6); 83520; 86038; 86200; 86235(x4); 86255; 86431
Updated on 07/31/2020

Test Includes

Anti-CCP Ab IgG/IgA; Anti-EJ Ab; Anti-Jo-1 Ab; Anti-Ku Ab; Anti-MDA5 Ab; Anti-OJ Ab; Anti-PL-7 Ab; Anti-PL-12 Ab; Anti-PM/Scl-100 Ab; Anti-Scl-70; Anti-SSA 52 kD Ab; Anti-SRP Ab; Rheumatoid Factor IgM by Turb.

ANA by IFA (If positive, reflexes to Anti-dsDNA by Farr; Anti-La (SS-B) Ab; Anti-Ro (SS-A) Ab; Anti-Sm Ab; Anti-U1 RNP Ab.

ANCA (If positive, reflexes to Anti-MPO Ab and Anti-PR3 Ab).


Expected Turnaround Time

14 - 21 days

16 days

14 - 21 days


Specimen Requirements


Specimen

Serum


Volume

3 mL


Minimum Volume

2 mL (Note: This volume does not allow for repeat testing.)


Container

Red-top tube or gel-barrier tube


Collection

Separate serum from cells within one hour of collection. Transfer to a plastic transport tube before shipping.

Separate serum from cells within one hour of collection. Transfer to a plastic transport tube before shipping. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.

Separate serum from cells within one hour of collection. Transfer to a plastic transport tube before shipping.


Storage Instructions

Refrigerate.

Refrigerate.


Stability Requirements

Temperature

Period

Room temperature

1 day

Refrigerated

8 days

Frozen

8 days


Causes for Rejection

Grossly hemolyzed; bacterial contamination; lipemic specimen; icteric specimen; non-serum specimen types


Test Details


Use

Interstitial Lung Disease (ILD) can complicate several collagen vascular diseases, including Systemic Sclerosis (SS),Sjorgens's Syndrome (SjS), Systemic Lupus Erythematosus (SLE), Rheumatoid Arthritis (RA), Idiopathic Inflammatory Myopathies (IIM), and ANCA-Associated Vasculitis (AAV). Identifying an underlying autoimmune disorder in ILD patients has critical importance in therapuetic decision-making and has a meaningful impact on prognosis.


Limitations

This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.


Methodology

See individual test components.


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CPT Statement/Profile Statement

The LOINC® codes are copyright © 1994-2020, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf