510(k) Report

510(k) · Cleared

Recalled · 2007

Inview

K051321510(k) SpecialCleared Jun 13, 200524-day reviewClass II21 CFR 864.7470Recalls 1

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

Metrika, Inc. · LCP Assay, Glycosylated Hemoglobin

Cleared on Jun 13, 2005 as substantially equivalent to K033847 (Metrika, Inc., 2003) after a 24-day review. Its family tree reaches back 1 generation to 2003. 4 later devices descend from it. It has been recalled once.

Decided
Jun 13, 2005
Review
24 days
Class
Class II
Product code
LCP
Recalls
1
Predicates
1

Its longest line of descent runs back 1 generation to K033847 (2003). 4 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2009: 1 descendant cleared2017: 1 descendant cleared2018: 1 descendant cleared2015: 1 descendant clearedK033847 · A1CNOW for Home and Professional Use · Metrika, Inc. · 2003200020052010201520202025
Descendants, by generation 1 generation forward: 1 descendant2 generations forward: 3 descendants K033847 · A1CNOW for Home and Professional Use · Metrika, Inc. · 20030
  1. Root · 1 generation backK033847 A1CNOW for Home and Professional UseMetrika, Inc. · 2003
  2. This deviceK051321 InviewMetrika, Inc. · 2005
  3. Descendant · cites it directly · 3 of its ownK090413 A1CNOW+ (10 Test Kit, Professional Use) Model 3024, A1CNOW+(20 Test…Bayer Healthcare, LLC · 2009 · Recalled
  4. Descendant · 2 generations on · 0 of its ownK182781 PTS Professional Chemistry KitPolymer Technology Systems, Inc. D/B/A Pts Diagnostics · 2018 · Recalled
  5. Descendant · 2 generations on · 0 of its ownK161533 A1C EZ Glycohemoglobin Analysis SystemBiohermes Co., Ltd. · 2017
  6. Descendant · 2 generations on · 0 of its ownK140827 SD A1cCare System, SD A1cCare Spoit Type Test Kit, SD HbA1c Control…Sd Biosensor, Inc. · 2015

Most influential descendants

Showing 4 of 4 · See all
  • K090413A1CNOW+ (10 Test Kit, Professional Use) Model 3024, A1CNOW+(20 Test Kit, Professional…Bayer Healthcare, LLC · 2009 · cites it directly3descendants
  • K182781PTS Professional Chemistry KitPolymer Technology Systems, Inc. D/B/A Pts Diagnostics · 2018 · 2 generations on0descendants
  • K161533A1C EZ Glycohemoglobin Analysis SystemBiohermes Co., Ltd. · 2017 · 2 generations on0descendants
  • K140827SD A1cCare System, SD A1cCare Spoit Type Test Kit, SD HbA1c Control SetSd Biosensor, Inc. · 2015 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K033847A1CNOW for Home and Professional UseMetrika, Inc.2003—
0 (this device)K051321InviewMetrika, Inc.2005—
+1K090413A1CNOW+ (10 Test Kit, Professional Use) Model 3024, A1CNOW+(20 Test Kit…Bayer Healthcare, LLC20097
+2K182781PTS Professional Chemistry KitPolymer Technology Systems, Inc. D/B/A Pts Diagnostics20181
+2K161533A1C EZ Glycohemoglobin Analysis SystemBiohermes Co., Ltd.2017—
+2K140827SD A1cCare System, SD A1cCare Spoit Type Test Kit, SD HbA1c Control SetSd Biosensor, Inc.2015—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200910
201510
201710
201810
FIG. 1 — Lineage of K051321, 2003–2018Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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

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

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

Top candidate predicates for a new LCP device

  1. #1 K221326 Nova Allegro HbA1c Assay, Nova Allegro Analyzerscore 9.6 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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
*K033847A1CNOW for Home and Professional Use
Summary page 3
…AlcNow® Multi-Use for Home and Professional Use (InViewTM) Special 5 10(k)- Device Modification for K033847 STATEMENT OF INTENDED USE 510(K) Number (if known): C'/ -…
Metrika, Inc.2003—

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K090413A1CNOW+ (10 Test Kit, Professional Use) Model 3024, A1CNOW+(20 Test Kit, Professional…Bayer Healthcare, LLC20093

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

Recalls of this device

DateClassRecallRoot causeReason
Aug 31, 2007Not classifiedZ-0289-2008Process controlIncorrect Test Results: Due to manufacturing errors regarding temperature compensation factors, the device will give erroneously high results if the test is performed below 70 degrees Fahrenheit.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Its one ancestor has no recall.
  • Of its descendants, K090413 (Bayer Healthcare, LLC, 2009) has gone furthest, with 3 descendants of its own.

How does its category compare?

All LCP devices

LCP Assay, Glycosylated Hemoglobin: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LCP

1in 2024

2007: 72008: 52009: 62010: 22011: 102012: 92013: 22014: 82015: 32016: 22017: 52018: 22019: 42020: 12023: 22024: 1
2007high 10 (2011) · low 0 (2021)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LCP

269in 2019

2007: 133 days median2008: 206 days median2009: 158 days median2011: 176 days median2012: 143 days median2014: 127 days median2015: 239 days median2017: 218 days median2019: 269 days median
2007high 269 (2019) · low 127 (2014)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · LCP

1in 2025

2007: 12008: 32009: 62010: 52011: 512013: 42014: 22015: 22016: 62017: 12018: 12022: 12024: 12025: 1
2007high 51 (2011) · low 0 (2012)2026

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

Adverse event reports per year · LCP

22in 2025

2007: 52008: 112009: 152010: 42011: 272012: 512013: 1932014: 1822015: 642016: 292017: 1492018: 1,9112019: 1142020: 132021: 72022: 82023: 272024: 392025: 22
2007high 1,911 (2018) · low 4 (2010)2025

MAUDE reports naming product code LCP, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007713315
20085206311
20096158615
20102—54
2011101765127
20129143051
20132—4193
201481272182
20153239264
20162—629
201752181149
20182—11,911
201942690114
20201—013
20210—07
20220—18
20232—027
20241—139
20250—122
20260—0—

What is it indicated for?

The InViewTM multi-use test provides quantitative measurement of the percent of glycated hemoglobin (%HbAlc, %A1C) levels in whole blood samples. The test is for home use and professional use for monitoring glycemic control in people with diabetes.

Indications for use as stated in the FDA 510(k) statement.

Cite this page

510(k) Report. “K051321: Inview.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K051321

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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