Test Code YCHROMO Y Chromosome Microdeletion, DNA Analysis
Performing Laboratory
Quest Diagnostics Nichols Institute, Chantilly VA
Methodology
Agarose Gel Electrophoresis • Polymerase Chain Reaction (PCR)
Test Classification and CPT Coding
81403
Set up: Monday, Wednesday, Friday a.m.; Report available: 4 days
Specimen Required
Container/Tube: Lavender (EDTA) Top Tube
Specimen: 4 ml Whole Blood ( 3 ml min)
Transport Temperature: Room temperature
Computer Interface Code
PDM # 5902132
Used For
To detect Y chromosome microdeletions associated with oligospermia and azoospermia. About 15-20% of azoospermic men and about 10% of severely oligospermic men present with microdeletions of Yq. This test targets 20 genetic loci, including those recommended by the European Quality Monitoring Network Group (Int J Andr 22:292-299 (1999).