---
kind: "section"
citation: "45 C.F.R. § 400.91"
title: "45"
number: "400.91"
heading: "Definitions."
url: "https://uscodex.org/cfr/45/400.91"
---

# §400.91. Definitions.


For purposes of this subpart—

Medically needy means individuals who are eligible for medical assistance under a State's approved Medicaid State plan in accordance with [section 1902(a)(10)(C)](/cfr/45/1902.md?p=a-10-C) of the Social Security Act.

Spend down means to deduct from countable income incurred medical expenses, thereby lowering the amount of countable income to a level that meets financial eligibility requirements in accordance with [42 CFR 435.831](/cfr/42/435.831.md) (or, as applicable to Guam, the Virgin Islands, and Puerto Rico, [42 CFR 436.831](/cfr/42/436.831.md)).


## Notes

### Source

Source: 54 FR 5480, Feb. 3, 1989, unless otherwise noted.

### Authority

Authority: Section 412(a)(9), Immigration and Nationality Act (8 U.S.C. 1522(a)(9)).

### Source

Source: 45 FR 59323, Sept. 9, 1980, unless otherwise noted.
