### Question
How is the term inpatient hospital code defined?


### Answer
The term **inpatient hospital code** is defined in *42 U.S.C. § 1395ww* as the following:

> any code that is used with respect to inpatient hospital services for which payment may be made under this subsection and includes an alphanumeric code issued under the International Classification of Diseases, 9th Revision, Clinical Modification (“ICD–9–CM”) and its subsequent revisions

#### Citation:
  - *42 U.S.C. § 1395ww*
  - Heading: **CHAPTER 7-SOCIAL SECURITY > SUBCHAPTER XVIII-HEALTH INSURANCE FOR AGED AND DISABLED > Part D-Miscellaneous Provisions**

