### Question
Can you define what applicable computed tomography service" means a service billed using diagnostic radiological imaging codes for computed tomography (identified as of January 1, 2014, by HCPCS codes 70450–70498, 71250–71275, 72125–72133, 72191–72194, 73200–73206, 73700–73706, 74150–74178, 74261–74263, and 75571–75574 (and any succeeding codes).[5](#1395m_5_target)


#### (3) Applicable payment system defined


In this subsection, the term "applicable payment system means?


### Answer
**Applicable computed tomography service" means a service billed using diagnostic radiological imaging codes for computed tomography (identified as of January 1, 2014, by HCPCS codes 70450–70498, 71250–71275, 72125–72133, 72191–72194, 73200–73206, 73700–73706, 74150–74178, 74261–74263, and 75571–75574 (and any succeeding codes).[5](#1395m_5_target)


#### (3) Applicable payment system defined


In this subsection, the term "applicable payment system** is defined as the following in *42 U.S.C. § 1395m*:

> the following:


(A) The technical component and the technical component of the global fee under the fee schedule established under section 1395w–4(b) of this title

#### Citation:
  - *42 U.S.C. § 1395m*
  - Heading: **CHAPTER 7-SOCIAL SECURITY > SUBCHAPTER XVIII-HEALTH INSURANCE FOR AGED AND DISABLED > Part B-Supplementary Medical Insurance Benefits for Aged and Disabled**

