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Lab Test Dictionary

Cystic Fibrosis Screen (10458)


Multiplex Plymerase Chain Reaction; Massively Parallel Sequencing


CF Mutation Screen; Cystic Fibrosis Mutation Screen; CFTR Screen; CF Carrier Screen; CF Screen; Cystic Fibrosis Carrier Screen

Specimen Type

Whole Blood

Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID


Lab Test Days


Standard TAT

7 Days

Collection Information

Specimen Required

3-4 mL Whole Blood

Container Type

Lavender (EDTA)

Collection Instructions

Whole blood collected in an EDTA (royal blue-top), ACD Solution A/B (yellow-top) tube, sodium heparin (green-top), lithium heparin (green-top) is also acceptable. 2 mL Saliva in Oragene DNA self-collection kit is also acceptable. Indicate ethnicity of the patients.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: 8 Days (14 Days for Saliva); Refrigerated: 8 Days (14 Days for Saliva); Frozen: Unacceptable

Test Volume Required

4 mL Whole Blood or 2 mL Saliva

Minimum Test Volume

3 mL Whole Blood or 2 mL Saliva

Included Tests

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


Insurance authorization is required prior to draw for outpatients. Ok to send on inpatients. No special send out forms needed.

CPT Codes