| Previous Nomenclature | |
| Description |
The AC-XX comprises a group of rare and unusual patterns that have not been fully characterized and, therefore, not included in the current ICAP classification tree. The AC-XX category is an ‘umbrella’ designation that accommodates a variety of these unclassified patterns |
| Antigen Association | Several autoantigens (known and unknown) related with staining of the nucleus, cytoplasm, and mitotic cells. |
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Clinical Relevance
First level information About Clinical Relevance & List of Abbreviations |
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▶ The antigenic identity and clinical relevance of unclassified patterns for most patterns is uncertain. Still, it is important to recognize them to avoid their misclassification as traditional ICAP patterns. |
| First level information references |
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. Herold M, Klotz W, Andrade LEC, Conrad K, de Melo Cruvinel W, Damoiseaux J, Fritzler MJ, von Muhlen CA, Satoh M, Chan EKL. International Consensus on Antinuclear Antibody Patterns: defining negative results and reporting unidentified patterns. Clin Chem Lab Med. 2018 Sep 25;56(10):1799-1802. |
| Second level information |
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None |
| Second level information references |
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None
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| FAQ |
| No FAQ received |