510(k) Report

FDA product code · Immunology

Antibodies, Anti-Actin, Anti-Smooth Muscle

NJFClass II21 CFR 866.5120510(k) required1 decision since 20020 recalls

1 FDA decision since 2002. No recall names this code.

The device is used for the semi-quantitative detection of IgG antibodies to the actin component of smooth muscle in human serum as an aid in the diagnosis of certain autoimmune liver diseases, e.g. autoimmune hepatitis.

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026 Download the data (CSV)

FIG. A — Illustration, immunology panel

Twenty years of NJF at a glance: how often FDA decides these devices, how long 510(k) reviews take, how often they are recalled, and how many adverse event reports name the code.

FDA decisions per year · NJF

FDA has decided no NJF device since 2007.

Median 510(k) review, days · NJF

Too few NJF 510(k)s in any year since 2007 to give a median.

Recalls per year · NJF

No recall names NJF since 2007.

Adverse event reports per year · NJF

No MAUDE report names NJF since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
FIG. 1 — NJF by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in NJF? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.

See the 510(k) Report

Related product codes

Other codes under 21 CFR 866.5120.