Severe Combined Immunodeficiency (SCID): Primary Care Guide to a Positive Newborn Screen

Guidance for primary care clinicians receiving a positive newborn screen result Other Names Disorder Category Inborn error of immunity (IEI), immunodeficiency disorder Newborn Screening for SCID Abnormal Finding Absent or reduced T-cell receptor excision circles (TRECs), which are produced during normal T-cell maturation Tested By Description Severe combined immunodeficiency (SCID) includes a group of rare …