Myriad Prequel Chromosomes 13, 18, 21

Test Code
MYRIAD PREQUEL


Alias/See Also
LAB10249 - Myriad Prequel Chromosomes 13, 18, 21 (standard panel of common aneuploidies)

Additional testing: 
LAB10255 - Myriad Prequel Chromosomes 13, 18, 21 + Sex Chromosome Analysis
LAB10251 - Myriad Prequel Chromosomes 13, 18, 21 + Microdeletions
LAB10250 - Myriad Prequel Chromosomes 13, 18, 21 + Expanded Aneuploidy Screening
LAB10254 - Myriad Prequel Chromosomes 13, 18, 21 + Microdeletions + Sex Chromosome Analysis
LAB10252 - Myriad Prequel Chromosomes 13, 18, 21 + Microdeletions + Expanded Aneuploidy Screening
LAB10253 - Myriad Prequel Chromosomes 13, 18, 21 + Microdeletions + Sex Chromosome Analysis + Expanded Aneuploidy Screening

 


Includes
Standard panel of Common Aneuploidies [LAB10249]:
  • Trisomy 21 (Down syndrome)
  • Trisomy 18 (Edwards syndrome)
  • Trisomy 13 (Patau syndrome)
Additional Testing (see above for "LAB#" when ordering):
  • Sex Chromosomes Analysis:
    • Monosomy X (Tumer Syndrome)
    • Klinefelter Syndrome (XXY)
    • Trisomy X (XXX)
    • XYY Syndrome
    • Male (XY)
    • Female (XX)
  • Microdeletions:
    • 22q11.2 deletion (DiGeorge syndrome)
    • 1p36.1 deletion syndrome
    • 15q11 deletions (Angelman or Prader-Will syndrome)
    • 4p deletion (Wolf-Hirschhorn syndrome)
    • 5p deletion (Crl-du-Chat syndrome)
  • Expanded Aneuploidy Analysis (EAA):
    • Expands aneuploidy analysis to include all 22 autosomes. Associated conditions include:
      • Placental insufficiency (e.g. growth restriction, stillbirth)
      • Uniparental disomy sydromes (e.g. Prader-Will, Beckwith-Wiedemann)
      • Fetal syndromes (e.g. trisomy 8, trisomy 22)


Preferred Specimen
Shrek Tiger Top glass tube, whole blood (10.0 mL) (provided in the Myriad Blood Kit; Do NOT use Marble/SST)

Specimen may be collected as early as 10 weeks gestation.


Minimum Volume
7.0 mL


Specimen Stability
Room Temperature: 7 days
Do NOT Refrigerate!




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.