FDA product code MLO: Electrocardiograph, Ambulatory, With Analysis Algorithm

MLO is the FDA product code for electrocardiograph, ambulatory, with analysis algorithm. It is a Class II device, regulated under 21 CFR 870.2800 and reviewed by the Cardiovascular panel. FDA has cleared 33 510(k) submissions under MLO, 3 in the last five years, from 26 different applicants. The average 510(k) review took 192 days (median 183); 206 days on average over the last three years. FDA has posted 2 recalls for MLO devices, 2 initiated in the last five years.

Classification

FieldValue
Device nameElectrocardiograph, Ambulatory, With Analysis Algorithm
Device classClass II
Regulation21 CFR 870.2800
Review panelCV — Cardiovascular
Medical specialtyCardiovascular
Premarket route510(k)

510(k) clearances per year for MLO

YearClearancesAvg. review days
20181101
20202219
20241231
20251266
20261121

Compare with all 510(k) review times · Search every MLO clearance

Top MLO applicants

ApplicantClearancesLatest
Inovise Medical, Inc.32013-10-11
Agilent Technologies32001-09-28
Galix Biomedical Instrumentation, Inc.22010-07-09
Novacor22005-01-19
Zymed Medical Instrumentation21999-07-28

21 more applicants have MLO clearances. See the full list in Caduvo.

Most recent MLO clearances

510(k)ApplicantDeviceDecision dateReview days
K261580Zbeats, Inc.ZBPro Diagnostic (Version 2.0)2026-09-11121
K241890Philips Medizin Systeme Böblingen GmbHPhilips Holter Analysis System2025-03-21266
K240794Fourth Frontier Technologies Pvt, Ltd.Frontier X Plus2024-11-08231
K200833VivaQuant, Inc.RX-1 Rhythm Express Remote Cardiac Monitoring System2020-09-02156
K193177CardiocalmCER-S2020-08-26282

Recalls for MLO devices

2 product recalls in 1 recall events; 2 initiated in the last five years and 2 still open. Most recent: 2024-10-11.

YearRecalls
20242

Frequently asked questions

What is FDA product code MLO?

MLO is the FDA product code for electrocardiograph, ambulatory, with analysis algorithm. It is a Class II device, regulated under 21 CFR 870.2800 and reviewed by the Cardiovascular panel.

What device class is MLO?

Class II, regulation 21 CFR 870.2800. Typical premarket route: 510(k).

How long does a 510(k) take for product code MLO?

Across 33 cleared submissions the average was 192 days from receipt to decision (median 183).

Which companies have the most MLO clearances?

Inovise Medical, Inc. (3); Agilent Technologies (3); Galix Biomedical Instrumentation, Inc. (2); Novacor (2); Zymed Medical Instrumentation (2).

Have MLO devices been recalled?

Yes: 2 product recalls across 1 recall events; the most recent began 2024-10-11.

Next steps

Source: openFDA device classification, 510(k), PMA, De Novo and recall data (public domain). Review days run from FDA receipt to decision. Not regulatory advice.

All Cardiovascular product codes · FDA product code lookup · 510(k) database search · 510(k) review times