Antinuclear Antibodies, HEp-2 Substrate, IgG, Serum

Mayo Clinic Laboratories extended-catalog entry for the HEp-2 IFA ANA test (NAIFA), used for evaluation of suspected systemic autoimmune rheumatic or autoimmune liver disease; reports ANA titer, ANA pattern, and cytoplasmic pattern with a <1:80 negative reference value. Candidate notes: Method: indirect immunofluorescence (IIF) on HEp-2 substrate Cutoff: reference value <1:80 (Negative) Result components: ANA titer(s) and ANA pattern(s) plus cytoplasmic pattern reported via separate LOINC codes Limits noted in the record: Page provides reference cutoff and method but no interpretation narrative, pattern descriptions, or follow-up antibody guidance Reference values apply as stated; performance characteristics not restated for individual patterns A positive ANA is not a diagnosis. Claims in this record are not verified.

A positive ANA is not a diagnosis. Claims in this record are not verified.

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