RET Proto-oncogene, full gene analysis

Alphabetical Test listing

RET Proto-oncogene, full gene analysis-994

Test name:

Test number:

994

Excellian order number:

LAB994

Alternate names:

CCHS;Congenital central hypoventilation syndrome;Familial Medullary Thyroid Cancer;FMTC;Hirschsrpung Disease;Hirschsprung's Disease

Useful for:

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

Specimen type:

EDTA whole blood

Collection container:

Lavender (EDTA), 4mL

Volume:

3.0 mL

Processing instructions:

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

Submit specimen, unspun, in original tube.

Transport container:

Lavender (EDTA), 4mL

Alternate specimen type:

ACD whole blood

Alternate collection container:

Yellow ACD (A or B)

Alternate transport container:

Yellow ACD (A or B)

Required forms/information:

Molecular Genetics: Congenital Inherited Diseases Patient Information Form

Transport and stability:

Ambient (preferred)

Refrigerated (OK)

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

Performing lab:

Mayo Clinic Laboratories (RETZ): R-NX

Days set up:

Varies/weekly

TAT:

14 - 21 days

Method:

Polymerase Chain Reaction (PCR) Amplification followed by DNA Sequencing

Reference ranges:

An interpretive report will be provided

CPT codes:

81406

Subject to medical necessity (Y/N):

Date created:

07/31/2015

Revised date:

11/14/2018