---
kind: "section"
citation: "21 C.F.R. § 890.3500"
title: "21"
number: "890.3500"
heading: "External assembled lower limb prosthesis."
url: "https://uscodex.org/cfr/21/890.3500"
---

# §890.3500. External assembled lower limb prosthesis.

- (a) **Identification.** An external assembled lower limb prosthesis is a device that is intended for medical purposes and is a preassembled external artificial limb for the lower extremity. Examples of external assembled lower limb prostheses are the following: Knee/shank/ankle/foot assembly and thigh/knee/shank/ankle/foot assembly.
- (b) **Classification.** Class II (special controls). The device is exempt from the premarket notification procedures in [subpart E of part 807](/cfr/21/part807-subpartE.md) of this chapter subject to [§ 890.9](/cfr/21/890.9.md).

## Notes

### Amendments

[48 FR 53047, Nov. 23, 1983, as amended at 63 FR 59231, Nov. 3, 1998]

### Authority

Authority: 21 U.S.C. 351, 360, 360c, 360e, 360j, 360 l, 371.

### Source

Source: 48 FR 53047, Nov. 23, 1983, unless otherwise noted.

### Amendments

[48 FR 53047, Nov. 23, 1983, as amended at 63 FR 59231, Nov. 3, 1998]
