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Test Code ADNAR DNA Double-Stranded (dsDNA) Antibodies with Reflex, IgG, Serum

Useful For

Evaluating patients with clinical features or at-risk for systemic lupus erythematosus with additional testing by indirect immunofluorescence to clarify cases of borderline enzyme-linked immunosorbent assay results

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
CRITH dsDNA Ab by Crithidia IFA, IgG, S No No

Testing Algorithm

If the double-stranded DNA (dsDNA) result is borderline, then the dsDNA by immunofluorescence will be performed at an additional charge.

Special Instructions

Reporting Name

dsDNA Ab with Reflex, IgG, S

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 0.5 mL


Specimen Minimum Volume

0.35 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 21 days
  Frozen  21 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Reference Values

<30.0 IU/mL (negative)

30.0-75.0 IU/mL (borderline)

>75.0 IU/mL (positive)

Negative is considered normal.

Reference values apply to all ages.

Day(s) Performed

Monday through Saturday

Report Available

2 to 3 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

86225

86225-CRITH (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ADNAR dsDNA Ab with Reflex, IgG, S 33799-8

 

Result ID Test Result Name Result LOINC Value
ADNAR dsDNA Ab with Reflex, IgG, S 33799-8

NY State Approved

Yes

Method Name

ADNAR: Enzyme-Linked Immunosorbent Assay (ELISA)

CRITH: Indirect Immunofluorescence

Forms

If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.