Athena Diagnostics - INF2 DNA Sequencing Test

INF2 DNA Sequencing Test

Test Code
716

Test Details


Test code: 716
Type of disorder: Hereditary Renal Glomerular Disorders
Disease(s) tested for: Focal Segmental Glomerulosclerosis
Profiles that contain this test:
Informed Consent Required: Yes

Technical Information


Utility: Detects sequence variants in the INF2 gene in patients with glomerulosclerosis, focal segmental. Patients exhibit moderate proteinuria during early adolescence or adulthood, renal insufficiency with progression to end stage renal disease, and a focal and a segmental glomerulosclerotic pattern of tissue injury.
Methodology: Sanger Sequencing
Reference Value: No sequence variation detected

CPT Coding


The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

CPT: 81406(1)

Specimen Requirements


Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.

Specimen Type: Whole blood
Specimen Stability: Room temperature: 10 days, Refrigerated: 10 days, Frozen: Unacceptable
Specimen Stability Notes: DNA yields and quality are better in fresh specimens. However, when necessary, most genetic tests are successful from DNA purified from whole blood that is several days old.
Adult Preferred Volume: 8 mL
Adult Minimum Volume: 6 mL
Pediatric Preferred Volume: 2 mL
Pediatric Minimum Volume: 1 mL
Collection Tube: Lavender top (EDTA)
Collection Notes: Higher blood volumes ensure adequate DNA quantity, which varies with WBC, specimen condition, and need for confirmatory testing. Patients, 0-3 years have higher WBC, yielding more DNA per mL of blood

Shipping Considerations


Storage Conditions: Refrigerate
Shipping Conditions: Ship room temperature, avoid freezing.
Test Turnaround: 14-28 days

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