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Extractable Nuclear Antigen Antibodies - Blood

Source Blood
Mnemonic MADL ENA
Specimen Requirements 1 x 3.5 mL gold top SST tube

1 mL serum

Minimum Whole Blood Volumes for Micro-Collections using Microtainers
Specimen Handling Centrifuge and pour off serum.

Send serum specimen in separate bag with a photocopy of the requisition.
Additional Information Testing for the following antibodies is performed only if ENA Screen is positive:
Chromatin, Sm, RNP, SSA/60 (Anti-Ro), Ro52 (SSA/Ro52 or SSA/52), SSB (Anti-LA), Topoisomerase I (Scl-70), Jo-1 (Histidyl tRNA synthetase), cRNP, (Cytoplasmic RNP).
Testing Location Mitogen Advanced Diagnostics Lab (Dr. Fritzler)
Testing Frequency
Alternate Name(s) ENA, Chromatin Antibodies, Sm Antibodies, RNP Antibodies, SSA/60 Antibodies, SSB Antibodies, cRNP Antibodies, Cytoplasmic RNP Antibodies.
Reference Interval