The guidance is aimed at early identification of children at risk of becoming involved with gangs.
The Institute of Medicine in 2009 recommended that the federal government expand prevention and early identification programs.
"New York will become the first state in the nation to require our hospitals to adopt best practices for the early identification and treatment of sepsis, " he said.
The Health Protection Agency said a review of how an on-going TB outbreak in London had been managed supported the need for early identification of cases and completing treatment courses.
"Multi-agency support teams, or multi-disciplinary teams as they are more commonly known, are exceptionally important in the early identification of difficulties which children are encountering with their development, or a problem which may prevent them achieving their full potential, " he said.
Prof Nicolson believes the policy implications are that great things can be achieved by early identification of a problem, followed by short-term intervention for the majority of those having difficulties - leaving longer term help only for those who may have dyslexia.
Speaking to the BBC, Dr Powell said he believed the team would have the identification kits ready as early as next week.
The UK, she said, had taken the lead internationally in developing early warning systems to detect harmful new substances, with drugs able to be banned days after identification under the system of temporary class drug orders.
They woke up early to dress up for the occasion, dug through boxes to find the appropriate forms of identification, just in case, and contemplated the ramifications of being newly out to their families and employers and landlords in a state where that is both legally and culturally risky.
Some federal sources said it was even too early to say investigators had identified the suspect, but several sources in Boston told CNN that they have a clear identification.
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