Test Catalog

Test

Code
W139
Name
CYSTIC FIBROSIS 139
Description

Alternative Names: Cystic Fibrosis Genotyping
Includes: Cystic Fibrosis Genotype 139 Mutations (no LOINC defined at this time)
Sample Type: Whole Blood
Preferred Container: EDTA (Lavender Top) Tube
Sample Volume: 5.0 mL
Minimum Volume: 1.0 mL (does not allow for repeat testing)
Handling Instructions: Refrigerate specimen after collection
Transport Temperature: Refrigerated
Specimen Stability: Ambient: 7 days; Refrigerated: 1 month; Frozen: 1 month
Testing Frequency: Monday, Thursday
Expected Turn Around Time: 6-11 Days
CPT Codes: 81220
Note: Reflex Criteria:

If SRL produces a positive result for both the R117H Mutation and 5T variant the sample will be referred to ARUP for additional testing