Specimen Collection Manual and Test Catalog
NOTCH3 (CADASIL) SEQUENCING TEST
Geisinger Epic Procedure Code: LAB2771 Geisinger Epic ID: 47359SPECIMEN COLLECTION
Specimen type:
Whole Blood
Preferred collection container:
Specimen required:
8 mL EDTA whole blood; minimum 6 mL. Draw two (2) 6 mL EDTA pink-top tubes.
Special notes:
Important: Draw two (2) 6 mL EDTA pink top tubes. Higher blood volumes ensure adequate DNA quantity, which varies with WBC, specimen condition, and need for confirmatory testing.
SPECIMEN PROCESSING
Transport temperature:
Room temperature.
Specimen stability:
Room temperature: 10 days. Refrigerated: 10 days. Frozen: Unacceptable.
Rejection criteria:
Frozen specimens unacceptable.
TEST DETAILS
Reference interval:
CPT code(s):
81406 No mutation detected.
Note: The billing party has sole responsibility for CPT coding. Any
questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Complete CADASIL(Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy) evaluation.
Methodology:
Next Generation Sequencing
Synonyms:
Review Date:
11/27/2024 Quest test code 1175, Cadasil evaluation
Performing Locations