Stanford Hospital & Clinics and Lucile Packard Children’s Hospital
Test Name : Marfan (FBN1) Sequencing Order Code : 11608R
Note: This is a Sendout/Referred Test and is only offered to registered patients of SHC or LPCH.
Synonyms: Fibrillin -1 Gene Analysis; Marfan Syndrome; FBN1
Specimen Type: Whole Blood
Container Type: Lavender-top tube (EDTA)
Required Volume: 3 mL
Minimum Volume (Pediatric): 0.5 mL
Methodology: Polymerase Chain Reaction (PCR) followed by DNA Sequence Analysis
Standard Run Times: Varies
Turnaround Time: 9 days
Special Handling: Ship at room temperature. "FBN1 Gene Testing Patient Information Sheet" (Supply T636) must be submitted with the specimen. See Special Instructions for a copy of the form. Include physician name and phone number with the specimen. Bone marrow transplants will interfere with testing. For bone marrow transplant patients, buccal cells from the recipient should be provided to obtain an accurate genotype. Transfusions will interfere with testing for up to 4 to 6 weeks. DNA obtained from white cells may not provide useful information for patients who received a recent transfusion of blood that was not leukocyte-reduced. Wait 4 to 6 weeks until transfused cells have left the patient's circulation before drawing the patient's blood specimen for genotype testing. An "Informed Consent for DNA Testing" (Supply T576) is available. See Special Instructions for a copy of the form.
CPT Codes: 83892 x 60, 83894 x 8, 83898 x 60, 83912; Reflex 83909 x 118, 83890
SHC EPIC Code: LAB11608R
Department: Sendouts
Clinical Specialties: Genetics
Sendout Lab: Mayo Medical Laboratories