Disorders

Hemoglobin Constant Spring

Gene	Locus	Protein
HBA2	16p13.3	Hemoglobin subunit alpha

Laboratory	Test Method	Prenatal	Carrier *
Stanford Clinical Laboratories, Molecular Pathology Laboratory - Palo Alto, CA, USA	• Targeted mutation analysis
University of California, San Francisco, Molecular Diagnostics Laboratory - San Francisco, CA, USA	• Targeted mutation analysis
University of Washington Medical Center, Laboratory Medicine-Genetics Laboratory - Seattle, WA, 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.