TABLE 1.

Newborn Screening Protocol Variation in the 50 US States

Measure	Range	n	(%)
Disorders screened (number)	29−57a
Bloodspot storage (time)	≥ 42 daysb	50	(100)
0–6 monthsc		16	(32)
8–12 monthsd		11	(22)
1.5–5.0 years		10	(20)
>5 yearse		8	(16)
Not specified		5	(10)
Research allowed on spots
No		16	(32)
Yes		23	(43)
Not specified/under review		12	(24)

Note. Information based on data obtained from Baby’s First Test (2015) links to Public Health Departments of each State.

^aM = 43.4.

^bIncludes indefinite storage.

^cIncludes states that store “until testing complete.

^dStorage times may be longer for positive results.

^eIncludes states that store bloodspots indefinitely.