Disorders

Asthma, Susceptibility to

Gene	Locus	Protein
HNMT	2q22.1	Beta-2 adrenergic receptor

Laboratory	Test Method	Prenatal	Carrier *
ARUP Laboratories, Molecular Genetics Laboratory - Salt Lake City, UT, USA	• Targeted mutation analysis
diagenos - Osnabrueck, Germany	• Targeted mutation analysis
Klinikum Stuttgart, Institute of Clinical Genetics - Stuttgart, Germany	• Sequence analysis of the entire coding region
Quest Diagnostics Nichols Institute - California, Molecular Genetics Laboratory - San Juan Capistrano, CA, USA	• Targeted mutation analysis

^* Carrier column is relevant to autosomal recessive and X-linked inheritance; column will be blank when it is not relevant (e.g. autosomal dominant inheritance, microdeletions/duplications) and/or is not offered by the lab.