Specimens are screened for ANA using ELISA. If the ELISA screen is positive, then an IFA titer using HEp-2 substrate will be added. If confirmed by IFA, then a titer and pattern will be reported and the specimens will be tested for dsDNA antibody and ENA (RNP, Smith, SSA, and SSB) antibodies.
*ExistNote>
#ExistCPT>
CPT Code(s):
86038 ANA; if reflexed, add 86039 ANA titer + 86235 x4 ENAs + 86225 dsDNA