HCPCS Level II code S3620 describes a newborn metabolic screening panel that includes the test kit, postage, and the state-specified laboratory assays such as galactose, hemoglobin electrophoresis, 17-hydroxyprogesterone, phenylalanine (PKU), and total thyroxine; this service is a newborn screening laboratory panel performed on neonatal specimens and is typically provided as a laboratory diagnostic service with the typical site of service being a hospital clinical laboratory, public health laboratory, or commercial reference laboratory supporting newborn screening programs.

For related coverage guidance, see recent payer policy updates: Fixed Wing Air Ambulance Transport, Air Ambulance, Ambulance Services (for New Mexico Only).