### Question
How is the "early and periodic screening, diagnostic, and treatment services" defined?


### Answer
The term **early and periodic screening, diagnostic, and treatment services** is defined in *42 U.S.C. § 1396d* as follows -

> the following items and services:


(1) Screening services—


(A) which are provided—


(i) at intervals which meet reasonable standards of medical and dental practice, as determined by the State after consultation with recognized medical and dental organizations involved in child health care and, with respect to immunizations under subparagraph (B)(iii), in accordance with the schedule referred to in section 1396s(c)(2)(B)(i) of this title for pediatric vaccines, and


(ii) at such other intervals, indicated as medically necessary, to determine the existence of certain physical or mental illnesses or conditions

#### Citation:
  - *42 U.S.C. § 1396d*
  - Heading: **CHAPTER 7-SOCIAL SECURITY > SUBCHAPTER XIX-GRANTS TO STATES FOR MEDICAL ASSISTANCE PROGRAMS**

