### Question
Can you define what contract health service means?


### Answer
**Contract health service** is defined as the following in *25 U.S.C. § 1603*:

> any health service that is—


(A) delivered based on a referral by, or at the expense of, an Indian health program

#### Citation:
  - *25 U.S.C. § 1603*
  - Heading: **CHAPTER 18-INDIAN HEALTH CARE > GENERAL PROVISIONS**

