Cystic Fibrosis Screen

Last Modified: 2/20/2019 4:12:58 PM

Medical Necessity Documentation:  
Client Notes: *Send copy of insurance cards and proper paperwork with specimen
Patient Preparation:  
Specimen Requirements: 4.0 mL Whole Blood in a Lavender Top Tube - EDTA
Collection Instructions: Order must indicate the ethnicity of the patient
Minimum Volume: 3.0 mL Whole Blood
Transport & Storage: Temperature/Stability: 8 days Ambient (preferred)
8 days Refrigerated
Rejection Criteria: Frozen
Reference Range: Refer to Interpretive Results
Critical Ranges:  
Test Comments:  
Methodology: Oligonucleotide Ligation Assay • Polymerase Chain Reaction
Clinical Significance:

General screen for carrier status and assessment of CF risk.
This test will identify approximately 90% of Cystic Fibrosis (CF) mutations in the Caucasian population, and 97% in the Ashkenazi Jewish population.

Custom Panel: No


Turn Around Time: 7 to 10 days
Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Quest - Chantilly
PHL Test Code: CYSF
EPIC Test Code: LAB576
Send Out Test Code: 10458
Alternate Test Names: CF Screen; Cystic Fibrosis
Included Tests:  
CPT Coding: 81220

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