### Question
What is the definition of error rate?


### Answer
The definition of **error rate** is as follows in *42 U.S.C. § 1396a*:

> the rate of erroneous excess payments for medical assistance (as defined in section 1396b(u)(1)(D) of this title) for the period involved, except that such payments shall be limited to individuals for which eligibility determinations are made under this paragraph and except that in applying this paragraph under subchapter XXI, there shall be substituted for references to provisions of this subchapter corresponding provisions within subchapter XXI

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

