Cytogenetic and Genomic Tests

Print View

Test type CPT codes Turnaround times (days)
Prenatal Testing
Chromosome Microarray Analysis using Constitutional Targeted Microarray (CTM) or Constitutional High-density Microarray (CHM) 81228
5-14
14-21 (if specimen needs to be cultured)
G-banding karyotype on amniotic fluid 88235, 88267, 88291 7-10
G-banding karyotype on chorionic villi 88235, 88267, 88280, 88285, 88291 7-10
G-banding karyotype on PUBS 88230, 88262, 88291 2-3
Aneuploidy IFISH panel 88271 x 2 1-2
Postnatal Testing
Chromosome Microarray Analysis using Constitutional High-density Microarray (CHM) 81228 14-28
G-banding karyotype on peripheral blood 88230, 88262, 88291 7-10
G-banding karyotype ontissue (e.g. products of conception) 88233, 88262, 88291 10-14
G-banding karyotype for family follow-up 88230, 88261, 88291 7-10
Newborn STAT G-banding karyotype on peripheral blood 88230, 88262, 88291 2-3 (preliminary); 7-10 (final)
Newborn STAT IFISH aneuploidy 88271, 88275 2-3 (preliminary); 7-10 (final)
FISH for microdeletions 88230, 88271, 88273, 88291 7-10
G-banding mosaicism or X inactivation study 88230, 88263 , 88291 10-14
Chromosome breakage study 88230, 88248, 88249, 88291 10-14
Y-PCR analysis 81403 10-14
Neoplasia Testing
Neoplasia Genomic Microarray (NGM) Analysis (fresh or frozen specimens) 81229 5-14
Neoplasia Genomic Microarray (NGM) Analysis (formalin fixed paraffin embedded, FFPE) 81229 7-21
G-banding karyotype on bone marrow, bone core, leukemic blood, or lymph node 88237, 88264, 88291 5-7
G-banding karyotype on solid tumor 88239, 88264, 88291 14-21
IFISH study on fresh specimen 88271, 88275 (per 200 cells) 1-3
IFISH study on FFPE 88271, 88275 (per 200 cells) 3-5
Additional IFISH probes 88271, 88275 (per 200 cells) 1-3
Urovysion IFISH panel 88271x4, 88274, 88291 3-5

Note: **Turnaround times are averaged; some cases may be delayed due to slower than usual cell growth, incomplete paperwork, or other circumstances beyond the Laboratory’s control.