### Question
How does the law define MSA?


### Answer
Under *42 U.S.C. § 1395w*, **MSA** is defined as:

> a Metropolitan Statistical Area (or such similar area as the Secretary recognizes)

#### Citation:
  - *42 U.S.C. § 1395w*
  - Heading: **CHAPTER 7-SOCIAL SECURITY > SUBCHAPTER XVIII-HEALTH INSURANCE FOR AGED AND DISABLED > Part C-Medicare+Choice Program**

