---
kind: "section"
citation: "42 C.F.R. § 414.40"
title: "42"
number: "414.40"
heading: "Coding and ancillary policies."
url: "https://uscodex.org/cfr/42/414.40"
---

# §414.40. Coding and ancillary policies.

- (a) **General rule.** CMS establishes uniform national definitions of services, codes to represent services, and payment modifiers to the codes.
- (b) **Specific types of policies.** CMS establishes uniform national ancillary policies necessary to implement the fee schedule for physician services. These include, but are not limited to, the following policies:
  - (1) Global surgery policy (for example, post- and pre-operative periods and services, and intra-operative services).
  - (2) Professional and technical components (for example, payment for services, such as an EEG, which typically comprise a technical component (the taking of the test) and a professional component (the interpretation)).
  - (3) Payment modifiers (for example, assistant-at-surgery, multiple surgery, bilateral surgery, split surgical global services, team surgery, and unusual services).

## Notes

### Source

Source: 56 FR 59624, Nov. 25, 1991; 57 FR 42492, Sept. 15, 1992, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 1302, 1395hh, and 1395rr(b)(l).

### Source

Source: 55 FR 23441, June 8, 1990, unless otherwise noted.