42 C.F.R. § 414.4 Fee schedule areas.
Title 42 - Public Health
(a) General. CMS establishes physician fee schedule areas that generally conform to the geographic localities in existence before January 1, 1992. (b) Changes. CMS announces proposed changes to fee schedule areas in the [59 FR 63463, Dec. 8, 1994]
Title 42: Public Health
PART 414—PAYMENT FOR PART B MEDICAL AND OTHER HEALTH SERVICES
Subpart A—General Provisions
§ 414.4 Fee schedule areas.

