Clinics and Departments

Laboratory Services

Lab Dept:

Anatomic Pathology

Test Name:

CONGENITAL ADRENAL HYPOPLASIA (DAX1/NROB1) SEQUENCING

General Information

Lab Order Codes:

DAX1

Synonyms:

X-Linked Adrenal Hypoplasia Sequencing; NROB1 Sequencing; DAX1 Sequencing

CPT Codes:

81404 – Molecular Pathology procedure, Level 5

Test Includes:

DNA sequence analysis of the entire gene encoding the nuclear receptor, subfamily 0, group B, member 1 (NR0B1, also known as DAX1) associated with X-linked adrenal hypoplasia congenita.

Logistics

Test Indications:

 

Lab Testing Sections:

Anatomic Pathology – Sendouts

Referred to:

All Children’s Hospital - Florida

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

Results are reported in 2-3 weeks

Special Instructions:

Complete an All Children’s Request Form and send with the patient or sample to the lab.

Specimen

Specimen Type:

Whole blood

Container:

Lavender top (EDTA) tube

Draw Volume:

1 mL blood

Processed Volume:

Same as Draw Volume

Collection:

Routine venipuncture

Special Processing:

Lab Staff: Do Not Centrifuge. Specimen should remain in the original collection container. Store and ship at ambient temperature.

Patient Preparation:

N/A

Sample Rejection:

Mislabeled or unlabeled specimens

Interpretive

Reference Range:

Interpretive report

Critical Values:

N/A

Limitations:

N/A

Methodology:

DNA Sequence Analysis

References:

All Children’s Hospital Genetics April 2010
(800) 456-4543

Updates:

2/4/2013: CPT update



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