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Katherine Turner

General Information, Immunochemistry

Immunochemistry ANA (Antinuclear Antibodies) Testing Name Update

Effective April 22nd, 2020, the following ANA (Antinuclear Antibodies) Tests’ name will be updated.  The change in naming convention comes in hopes of enhancing proper test utilization.  This update includes only the name change with no changes in laboratory testing workflow.

Old Test Name New Test Name Test Code Clinical Utility
ANA (Antinuclear Antibodies) Screen, Double Reflex to ANA IFA Hep2 Titer and Pattern, and if positive to ANA antibodies ANA screen LAB1230491 Preferred initial ANA screen for autoimmune connective tissue diseases.
ANA (Antinuclear Antibodies), Hep2 Substrate IFA with reflex to Titer and Pattern if positive IFA ANA (Rheumatology)

 

LAB3540 Preferred confirmatory ANA test for autoimmune connective tissue diseases.  With ordering recommendations for rheumatology only.
Toxicology

Updated Fecal Calprotectin Testing

As of February 12, 2020 testing for fecal calprotectin will be brought in-house.

As result Calprotectin, Feces (LAB3290) will be replaced with Calprotectin, Feces (LAB1230580).

Please note the following differences between the new and previous test in terms of specimen requirements and reference ranges.

Questions may be directed to the Toxicology Laboratory using the “Contact Us” link above.

General Information, Immunochemistry

Immunochemistry Methodology Update

Effective December 11th, 2019, Spectrum Health Regional Laboratory’s Immunochemistry laboratory will be upgrading the following tests from the Immunoassay Vidas platform to the Multiplex flow immunoassay Bioplex 2200 platform.

Cytomegalovirus IgG Antibody

Cytomegalovirus IgM Antibody

Toxoplasma IgG Antibody

Toxoplasma IgM Antibody

Lyme Total Antibody

All tests will continue to have the same collection instructions, processing instructions, rejection criteria, specimen stability, turn-around-time, and qualitative reference ranges of negative. Continue Reading