510(k) Report

510(k) · Cleared

Recalled · 2002

Xpect Cryptosporidium Lateral Flow Assay, Model 2451020

K031965510(k) TraditionalCleared Nov 14, 2003141-day reviewClass II21 CFR 866.3220Recalls 1

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

Remel, Inc. · MHJ Cryptosporidium Spp.

Cleared on Nov 14, 2003 as substantially equivalent to K983399 (Genzyme Diagnostics, 1999) after a 141-day review. Its family tree reaches back 1 generation to 1999. 1 later device descends from it. It has been recalled once.

Decided
Nov 14, 2003
Review
141 days
Class
Class II
Product code
MHJ
Recalls
1
Predicates
1

Its longest line of descent runs back 1 generation to K983399 (1999). 1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2013: 1 descendant clearedK983399 · Giardia/Cryptosporidium Combo Rapid Assay · Genzyme Diagnostics · 1999 · recalled1995200020052010201520202025
Descendants, by generation 1 generation forward: 1 descendant K983399 · Giardia/Cryptosporidium Combo Rapid Assay · Genzyme Diagnostics · 1999 · recalled0
  1. Root · 1 generation backK983399 Giardia/Cryptosporidium Combo Rapid AssayGenzyme Diagnostics · 1999 · Recalled
  2. This deviceK031965 Xpect Cryptosporidium Lateral Flow Assay, Model 2451020Remel, Inc. · 2003
  3. Descendant · cites it directly · 0 of its ownK121565 Uni-Gold CryptosporidiumTrinity Biotech · 2013

Most influential descendants

Showing 1 of 1 · See all
  • K121565Uni-Gold CryptosporidiumTrinity Biotech · 2013 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K983399Giardia/Cryptosporidium Combo Rapid AssayGenzyme Diagnostics19992
0 (this device)K031965Xpect Cryptosporidium Lateral Flow Assay, Model 2451020Remel, Inc.2003—
+1K121565Uni-Gold CryptosporidiumTrinity Biotech2013—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201310
FIG. 1 — Lineage of K031965, 1999–2013Source: 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 MHJ? 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
*K983399Giardia/Cryptosporidium Combo Rapid Assay
Summary page 1
…ryptosporidium Lateral Flow Assay Predicate Device: Becton Dickinson ColorPACTM GiardidCryptosporidium Rapid Assay, (k)983399. Classification Name: Entamoeba histolytica serological reagents. Cryptosporidium SPP 866.3220 Code: MHJ…
Genzyme Diagnostics19992

Also cleared against K983399: 2 other devices →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K121565Uni-Gold CryptosporidiumTrinity Biotech20130

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

Recalls of this device

DateClassRecallRoot causeReason
May 9, 2002Not classifiedZ-1376-04OtherA potential stability problem has been identified with the Positive Controls in the referenced kit lots of the ProSpecT Cryptosporidium Microplate Assay. The Positive Control may NOT perform as intended through its expiration date and may…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Its one ancestor has a recall.
  • Of its descendants, K121565 (Trinity Biotech, 2013) has gone furthest, with 0 descendants of its own.
  • 2 other devices also cite its predicate K983399.

How does its category compare?

All MHJ devices

MHJ Cryptosporidium Spp.: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · MHJ

1in 2017

2013: 12017: 1
2007high 1 (2013) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MHJ

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

Recalls per year · MHJ

No recall names MHJ since 2007.

Adverse event reports per year · MHJ

No MAUDE report names MHJ 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
20131—00
20140—00
20150—00
20160—00
20171—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—

What is it indicated for?

REMEL’s XpectTMCryptosporidium kit is an in vitro qualitative immunoassay for the detection of Cryptosporidium antigens in preserved and unpreserved fecal specimens. This test is intended as an aid in the laboratory diagnosis of suspected Cryptosporidium infections.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K031965: Xpect Cryptosporidium Lateral Flow Assay, Model 2451020.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K031965

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