RET Proto-oncogene, full gene analysis

Alphabetical Test listing

RET Proto-oncogene, full gene analysis-994

RET Proto-oncogene, full gene analysis
Congenital central hypoventilation syndrome
Familial Medullary Thyroid Cancer
Hirschsrpung Disease
Hirschsprung's Disease

Confirmation of suspected clinical diagnosis of multiple endocrine neoplasia type A or B, Hirschsprung disease, or congenital central hypoventilation syndrome in patients with a suspected diagnosis of any of these conditions


A previous bone marrow transplant from an allogenic donor will interfere with testing.

Call 800-533-1710 for instructions for testing patients who have received a bone marrow transplant

EDTA whole blood
3.0 mL
1.0 mL

Immediately after collection, mix tube thoroughly by gentle inversion to prevent clotting.

Submit specimen, unspun, in original tube.


Lavender (EDTA), 4mL

ACD whole blood

Yellow ACD (A or B)



Yellow ACD (A or B)


Ambient (preferred) - 4 days

Refrigerated (OK)

Specimen preferred to arrive at Mayo within 96 hours of collection.

Mayo Clinic Laboratories (RETZZ): R-NX
3 - 4 weeks

Sequence Capture and Targeted Next-Generation Sequencing (NGS) followed by Polymerase Chain Reaction (PCR) and Sanger Sequencing


An interpretive report will be provided