Reported Reactions

Devices › System, test, carbohydrate antigen (ca19-9), for monitoring and management of pancreatic cancer

Device brand name · Ca 19-9

Architect Ca 19-9xr: medical device reports filed with FDA

2,266 reports name it, 2007–2020. Manufacturer given most often on reports: Abbott Laboratories. Product code NIG.

2,266
device reports naming the brand
0% of all MAUDE reports · about 121 a year
0
reports, 12 months to August 2026
0 in the 12 months before
98.4%
classified as malfunction
98.1% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

2,266 medical device reports received by FDA name the brand "Architect Ca 19-9xr" (ca 19-9); the manufacturer given most often on reports is Abbott Laboratories; received from October 2007 to September 2020. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

0 reports arrived in the 12 months to August 2026, and none in the 12 months before. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases. The event types recorded are malfunction (98.4%), injury (1.4%) and other (0.2%); across all system, test, carbohydrate antigen (ca19-9), for monitoring and management of pancreatic cancer reports (product code NIG) death is recorded in 0% and malfunction in 98.1%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are high test results (87.4%), nonstandard device (64.5%) and incorrect or inadequate test results (7.4%). The patient problems coded most often are test result, death and misdiagnosis. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Reports by month, five years

No report naming Architect Ca 19-9xr was received in the five years to August 2026; the latest was received in September 2020.

By year received

08771,7542007: 320072008: 32009: 320092010: 92011: 420112012: 1,7542013: 15920132014: 942015: 1020152016: 262017: 7420172018: 432019: 6620192020: 18

Event type and report source

Event type, as classified on the report

Death0%0
Injury1.4%32
Malfunction98.4%2,230
Other0.2%4
Not given0%0

Who filed the report

Manufacturer report100%2,266
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 3,194 reports carrying product code NIG. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
High test results1,98187.4%81.5%
Nonstandard device1,46164.5%46%
Incorrect or inadequate test results1677.4%6.9%
False positive result703.1%2.5%
Low test results331.5%5.2%
Incorrect, inadequate or imprecise result or readings60.3%1.4%
False negative result30.1%0.2%
High readingsreadings were too high20.1%0.3%
False reading from device non-compliance10%0%
Imprecision10%0.1%
Incorrect measurementthe device measured wrongly10%0.2%

FDA's device problem codes as entered on the report; one report can carry several. Generic codes such as "no apparent adverse event" are left out.

Patient problems coded

Patient problem (FDA code)ReportsShare
Test result472.1%
Deaththe patient died; cause not stated by this term110.5%
Misdiagnosis40.2%
Hyperglycemiahigh blood sugar10%
Thrombosis10%
Transient ischemic attack10%

Patient problem codes are present mainly in reports filed since 2019 and are often blank.

In context

MeasureArchitect Ca 19-9xrProduct code NIGAll MAUDE reports
Reports2,2663,19426,136,888
Share of that pool—70.9%0%
Classified as death, per 1,000 reports009
Classified as injury1.4%1.6%36.2%
Classified as malfunction98.4%98.1%62.3%
Filed by the manufacturer100%100%94.9%

Shares are of reports, not of devices in use. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Other brands with product code NIG

BrandReportsLatest 12 monthsClassified as death
Alinity i CA 19-9XR Reagent Kit168390%
Architect I2000 Analyzer38600%

Ordered by report count for navigation only. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA also states that "common products may have a higher number of adverse events due to the higher total number of people using the product."

Questions about Architect Ca 19-9xr reports

How many FDA reports name Architect Ca 19-9xr?

2,266 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 0 in the latest 12 months.

What kinds of events are reported?

malfunction (98.4%), injury (1.4%) and other (0.2%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

high test results (87.4%), nonstandard device (64.5%), incorrect or inadequate test results (7.4%), false positive result (3.1%) and low test results (1.5%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (100%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that Architect Ca 19-9xr was at fault?

No. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA adds that "a causal relationship cannot be established between product and reactions listed in a report."

How do I report a problem with a medical device?

Through FDA MedWatch (Form FDA 3500 for health professionals and consumers), or to the manufacturer. See the guide on how to report.

Where this comes from. Counts are built from the openFDA Device Adverse Event (MAUDE) bulk export released 28 Sep 2026, which holds reports FDA received through 31 Aug 2026. Brand, generic and manufacturer names are as written on the reports; product code names come from FDA's device classification. A report counts here when any device it lists carries this brand name after punctuation and capitalisation are normalised. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.

Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.