Cancer Cytogenetics Laboratory

22q11.2 MLPA

  • Synonyms: DiGeorge Syndrome MLPA; Velocardiofacial syndrome MLPA; Rhabdoid tumor deletion MLPA; 22q11.2 deletion MLPA
  • LIS Mnemonic: CM22QMLPA

    Collect

    Purple (EDTA)

    Volume Required

    2cc

    Minimum Required

    1cc

    Transport

    Room Temperature

    Stability

    N/A

    Processing

    N/A

    Unacceptable conditions

    N/A

Days Performed

Monday - Friday

Reported

2-3 weeks

Reflex Testing

High resolution SNP array analysis may be indicated if a patient with a suspected 22q11.2 deletion has a normal MLPA result. Chromosome analysis to identify a structural rearrangement may be indicated.

CPT

83891, 83900, 83901 (X 16), 83909

Methodology

DNA isolation and multiplex ligation dependent probe amplification analysis using a kit from MRC-Holland.

Remarks

Please make sure that the blood sample is labeled clearly for delivery to the Cancer Cytogenetics Laboratory in 1003D Abramson Research Center. Phone the laboratory to alert the staff at 215-590-5257 that a specimen is being sent.

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