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Codes/Units Effective: 4/1/2016 Test / Specimen CPT Code Code Description Unit Qty POSTNATAL TESTING SERVICES Indication-Specific Gene Panel INDICATION: Rett | Atypical Rett | Angelman | Angelman-like Syndromes blood \ extracted DNA buccal mucosa swab \ extracted DNA ┤ GENE PANEL (Sequencing and Del/Dup) 81407 81228 Molecular Pathology Procedure, Level 8 Cytogenetic Constitutional Microarray analysis (copy number) 2 1 ┤ ONLY Next Generation Sequencing (NGS) 81407 Molecular Pathology Procedure, Level 8 2 ┤ ONLY Deletion/Duplication Analysis 81228 Cytogenetic Constitutional Microarray analysis (copy number) 1 • Consider Also: SNP Microarray Analysis 81229 88230 Cytogenetic Constitutional Microarray analysis (copy number & SNP) Tissue culture, non-neoplastic disorders; lymphocyte 1 1 • Consider Also: Methylation Studies of Chromosome 15 [recommended if patient has Angelman phenotype] 81331 SNRPN/UBE3A methylation analysis 1