CPT Codes & Turnaround Times

Test type CPT codes Turnaround times (days)**
Constitutional Testing
Cytogenomic Microarray Analysis 81229 7-14 days (prenatal or newborn samples); 14-28 days products of conception, pediatric, or adult samples. Add 2-3 weeks for prenatal samples if culturing needed (more likely if gestational age <18 weeks)
G-banded karyotype on amniotic fluid 88235, 88267, 88291 7-10
G-banded karyotype on chorionic villi 88235, 88267, 88280, 88285, 88291 7-10
G-banded karyotype on tissue (e.g. products of conception) 88233, 88262, 88291 10-14
G-banded karyotype on peripheral blood (routine) 88230, 88262, 88291 7-10
G-banded karyotype on peripheral blood (family follow-up) 88230, 88261, 88291 7-10
G-banded karyotype on peripheral blood (mosaicism) 88230, 88263 , 88291 10-14
Newborn STAT G-banded karyotype on blood 88230, 88262, 88291 2-3 (preliminary); 7-10 (final)
Newborn STAT IFISH for aneuploidy on blood 88230, 88271 x 2, 88275, 88291 1-2
IFISH for aneuploidy on amniotic fluid 88235, 88271 x 2, 88275, 88291 1-2
FISH for microdeletions, microduplications, or subtelomeres on amniotic fluid or chorionic villi 88235, 88271, 88273, 88291 7-10
FISH for microdeletions, microduplications, or subtelomeres on blood 88230, 88271, 88273, 88291 10-14
Grow amniocyte or chorionic villus cell cultures for sendout testing 88235 14-21
Grow skin fibroblasts or fetal tissue cells for sendout testing 88233 14-21
Y-PCR analysis 81403 10-14
Neoplasia Testing
Neoplasia Genomic Microarray Analysis 81277 7-14
G-banded karyotype on bone marrow, bone core, leukemic blood, or lymph node 88237, 88264, 88291 5-7
G-banded karyotype on solid tumor 88239, 88264, 88291 14-21
IFISH on fresh specimen 88237, 88271, 88275 (per 200 cells), 88291 1-3
IFISH on FFPE 88271, 88275 (per 200 cells), 88291 3-5