DiGeorge, Velocardiofacial Syndrome

Last Modified: 11/12/2019 2:33:02 PM

Medical Necessity Documentation:  
Client Notes: When ordering with a blood chromosome test this specimen is not needed, unless collecting 1.0 mL or less
Patient Preparation:  
Specimen Requirements: 5.0 mL Whole Blood in a Green Top Tube - Na Heparin
Collection Instructions:  
Minimum Volume: 1.0 mL Whole Blood
Transport & Storage: Temperature/Stability:


Reference Range: No Reference Range Established
Critical Ranges:  
Test Comments:  If this test is ordered on blood without routine G-band chromosome analysis, a Tissue Culture charge will be added, (CPT code: 88230). If results are not possible, the test order may be canceled and replaced with a Cytogenetics Communication
Methodology: Fluorescence in situ Hybridization (FISH)
Clinical Significance:

This test is used to detect microdeletions of chromosome 22q11 associated with DiGeorge, Velocardiofacial (VCFS) syndrome, using FISH (fluorescence in situ hybridization).

Custom Panel: No


Turn Around Time: 6 to 10 days
Days Performed: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Quest - Chantilly
PHL Test Code: MSOT
EPIC Test Code:
Send Out Test Code: 14610
Alternate Test Names: VCFS; CATCH 22; FISH, DiGeorge ; FISH, DiGeorge, Velocardiofacial Syndrome (VCFS)
Included Tests:  
CPT Coding: 88271, 88273

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