NRNUnclassified

Leeches, Medicinal

Unknown

NRN is the FDA product code for Leeches, Medicinal. FDA's definition for this code reads: "The device is a medicinal leech (hirudo medicinalis) belonging to the annelida worm classification. The animal is a bloodsucking aquatic animal living in fresh water. The device should be indicated as: "an adjunct to the graft tissue healing when problems of venous congestion may delay healing, or to overcome the...". As of 2026-09-10, FDA records hold 3 510(k) clearances under this code, the most recent dated 2015-08-07, and no recalls.

Classification record

Product code: NRN
Device name: Leeches, Medicinal
FDA definition: The device is a medicinal leech (hirudo medicinalis) belonging to the annelida worm classification. The animal is a bloodsucking aquatic animal living in fresh water. The device should be indicated as: "an adjunct to the graft tissue healing when problems of venous congestion may delay healing, or to overcome the problem of venous congestion by creating prolonged localized bleeding." See Federal Register Notice at 89 FR 106521 “Transfer of Regulatory Responsibility From the Center for Devices and Radiological Health to the Center for Biologics Evaluation and Research; Medical Maggots and Medicinal Leeches” (FRN) (FDA-2024-N-5702)
Device class: Unclassified
Review panel: Unknown
Submission type: 510(k)
Implant: No
Life sustaining or supporting: No
GMP exempt: No
Third party review eligible: No
Ingested clearances: 3
Ingested recalls: 0

Clearances, product code NRN

By decision year

3 clearances under product code NRN with a decision year between 2004 and 2015, 2004 the highest year at 1.

Show the numbers

510(k) clearances under FDA product code NRN by decision year
Year	Clearances
2004	1
2014	1
2015	1

Applicants with the most clearances

Product code NRN

Applicants holding the most 510(k) clearances under product code NRN
Applicant	Clearances
Biopharm UK Ltd	1
Carolina Biological Supply Co.	1
Ricarimpex SAS	1

Companies listing this code with FDA

Companies whose registered establishments list this code

Recent clearances

Product code NRN

Recent recalls

Product code NRN

FDA records show no recalls under product code NRN.

MDM coverage of this record lists here, newest first.

About this record

Sourced from the FDA device classification database, ingested from openFDA. The definition, regulation number, device class and review panel are FDA’s own fields, reproduced without editing.

MDM adds the counts: clearances by decision year, the applicants holding the most clearances under this code, recalls that name it, and the registered establishments that list it. Every count is computed from ingested records only.

Data as of 2026-10-05, the FDA export date for this dataset. Page last changed 2026-09-05. View this product code on fda.gov (opens on fda.gov)