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Laboratory Test Directory

CF Sequencing & Del/Dup


Name Method Department Units
CF Sequencing & Del/Dup DNA sequencing
Multiplex ligation-dependent probe amplification (MLPA)
Send Out Genetics

Battery Members

Sequence analysis is performed in both forward and reverse directions and Multiplex Ligation-dependent Probe Amplification (MLPA) analysis is performed to detect gross deletion and duplications

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume

Purple tube (EDTA)

3 mL 5 mL

Refrigerated - 1 week(s)
Room temperature - 7 day(s)

Specimen Preparation

  • Keep at room temperature or refrigerate
  • Transport to laboratory as soon as possible

Reasons for Rejection

  • Wrong collection tube


This test performs both sequencing and deletion/duplication testing for the CFTR gene associated with Cystic Fibrosis. Please complete the attached requisition for this testing and check the box for test code 6376: CFTR Comprehsnive Analysis (Seq, De/Dup & 5T).

CPT Code

  • 81222
  • 81223