510(k) Report

510(k) · Cleared

Cleared

Alpha Cryptococcal Antigen Eia

K120946510(k) TraditionalCleared Dec 17, 2012263-day reviewClass II21 CFR 866.3165

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

Immuno-Mycologics, Inc. · MDU Antigen, Elisa, Cryptococcus

Cleared on Dec 17, 2012 as substantially equivalent to K904393 (Meridian Diagnostics, Inc., 1991) after a 263-day review. Its family tree reaches back 1 generation to 1991.

Decided
Dec 17, 2012
Review
263 days
Class
Class II
Product code
MDU
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K904393 (1991). No later device cites it as a predicate yet.

K904393 · Premier-Cryptococcal Antigen · Meridian Diagnostics, Inc. · 1991 · recalled19901995200020052010
  1. Root · 1 generation backK904393 Premier-Cryptococcal AntigenMeridian Diagnostics, Inc. · 1991 · Recalled
  2. This deviceK120946 Alpha Cryptococcal Antigen EiaImmuno-Mycologics, Inc. · 2012
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K904393Premier-Cryptococcal AntigenMeridian Diagnostics, Inc.19911
0 (this device)K120946Alpha Cryptococcal Antigen EiaImmuno-Mycologics, Inc.2012—
FIG. 1 — Lineage of K120946, 1991–2012Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in MDU? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
Get a 510(k) Report

What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K904393Premier-Cryptococcal Antigen
Summary page 1
…tigen ETA Classification Name: Antigen, Elisa, Cryptococcus Regulation: 866.3165 Predicate Device: Meridian's PremierM Cryptococcal Antigen ETA, K904393 Intended Use: The ALPHA Cryptococcal Antigen enzyme immunoassay (CrAg ETA) is a qualitativ…
Meridian Diagnostics, Inc.19911

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Its one ancestor has a recall.

How does its category compare?

All MDU devices

MDU Antigen, Elisa, Cryptococcus: FDA decisions, review times, recalls and adverse event reports over 20 years. 2012, this device’s year, is highlighted.

FDA decisions per year · MDU

1in 2012

2012: 1
2007high 1 (2012) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MDU

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

Recalls per year · MDU

1in 2018

2018: 1
2007high 1 (2018) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · MDU

No MAUDE report names MDU 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
20121—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—10
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—

What is it indicated for?

The ALPHA Cryptococcal Antigen enzyme immunoassay (CrAg EIA) is a qualitative or semi-quantitative (titration) test system for the detection of capsular polysaccharide antigens of Cryptococcus species complex (Cryptococcus neoformans and Cryptococcus gattii) in serum and cerebrospinal fluid (CSF). The ALPHA Cryptococcal Antigen Enzyme Immunoassay is an assay which can be used as an aid in the diagnosis of cryptococcosis. Test results are to be used in conjunction with information available from the patient clinical evaluation and other diagnostic procedures.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K120946: Alpha Cryptococcal Antigen Eia.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K120946

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026