510(k) Report

510(k) · Cleared

Recalled · 2006

Masimo Set Rad 57 Pulse CO-Oximeter

K042536510(k) TraditionalCleared Jan 19, 2005121-day reviewClass II21 CFR 870.2700Recalls 1

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

Masimo Corporation · DQA Oximeter

Cleared on Jan 19, 2005 as substantially equivalent to K033296 (Masimo Corp., 2004) and 1 other predicate after a 121-day review. Its family tree reaches back 3 generations to 2000. 2 of the 249 devices in its family, counting itself, have a Class I recall. 244 later devices descend from it. It has been recalled once.

Decided
Jan 19, 2005
Review
121 days
Class
Class II
Product code
DQA
Recalls
1
Predicates
2

Its longest line of descent runs back 3 generations to K000126 (2000). 4 ancestors in all, the oldest K853990 (1985). 244 later devices descend from it, 2 citing it directly. 2 of the 249 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 1985: 1 other ancestor2006: 4 descendants cleared2005: 1 descendant cleared2008: 4 descendants cleared2016: 9 descendants cleared, 1 with a Class I recall12013: 7 descendants cleared2010: 5 descendants cleared2012: 6 descendants cleared2011: 7 descendants cleared2019: 21 descendants cleared2009: 3 descendants cleared2007: 1 descendant cleared2021: 15 descendants cleared2014: 16 descendants cleared, 1 with a Class I recall12015: 8 descendants cleared2018: 14 descendants cleared2025: 18 descendants cleared2017: 10 descendants cleared2022: 23 descendants cleared2023: 24 descendants cleared2020: 13 descendants cleared2024: 20 descendants cleared2026: 15 descendants clearedK000126 · Masimo Set Radical Pulse Oximeter with Satshare, Masimo Lnop-Adt-Adult/Pediatric Disposable Sensor, Masimo Lno-PDT-Pedia · Masimo Corp. · 2000K031330 · Modification to Masimo Set Radical Pulse Oximeter with Satshare and Lnop Series of Sensors and Cables · Masimo Corp. · 2003K033296 · Masimo Set Rad-5 Pulse Oximeter, Model Rad-5; Masimo Set Rad-5V Pulse Oximeter, Model Rad-5V · Masimo Corp. · 2004 · recalled1990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 3 descendants3 generations forward: 14 descendants4 generations forward: 22 descendants5 generations forward: 27 descendants, 1 with a Class I recall16 generations forward: 44 descendants, 1 with a Class I recall17 generations forward: 32 descendants8 generations forward: 32 descendants9 generations forward: 28 descendants10 generations forward: 29 descendants11 generations forward: 11 descendants K033296 · Masimo Set Rad-5 Pulse Oximeter, Model Rad-5; Masimo Set Rad-5V Pulse Oximeter, Model Rad-5V · Masimo Corp. · 2004 · recalledK031330 · Modification to Masimo Set Radical Pulse Oximeter with Satshare and Lnop Series of Sensors and Cables · Masimo Corp. · 2003K000126 · Masimo Set Radical Pulse Oximeter with Satshare, Masimo Lnop-Adt-Adult/Pediatric Disposable Sensor, Masimo Lno-PDT-Pedia · Masimo Corp. · 20000+5+10
  1. Root · 3 generations backK000126 Masimo Set Radical Pulse Oximeter with Satshare, Masimo…Masimo Corp. · 2000
  2. 2 generations backK031330 Modification to Masimo Set Radical Pulse Oximeter with Satshare and…Masimo Corp. · 2003
  3. 1 generation backK033296 Masimo Set Rad-5 Pulse Oximeter, Model Rad-5; Masimo Set Rad-5V…Masimo Corp. · 2004 · Recalled
  4. This deviceK042536 Masimo Set Rad 57 Pulse CO-OximeterMasimo Corporation · 2005
  5. Descendant · cites it directly · 226 of its ownK053477 Masimo Set Rad 57 CM and M Pulse CO-OximetersMasimo Corporation · 2006
  6. Descendant · 2 generations on · 225 of its ownK061204 Masimo Set Radical 7 Pulse CO-OximeterMasimo Corporation · 2006
  7. Descendant · 2 generations on · 219 of its ownK080238 Masimo Rainbow Set Radical 7 Pulse CO-Oximeter, Masimo Rainbow Set…Masimo Corporation · 2008 · Recalled
  8. Descendant · 3 generations on · 155 of its ownK091241 Masimo Rainbow Set Radical 7 Pulse CO-Oximeter; Rad 87 Pulse…Masimo Corporation · 2009
  9. Descendant · 3 generations on · 115 of its ownK100428 Masimo Rainbow Set Radical 7R Pulse CO-OximeterMasimo Corporation · 2010

Showing 5 of 244 descendants. See all descendants

Descendants cleared per year

2005: 12006: 42007: 12008: 42009: 32010: 52011: 72012: 62013: 72014: 162015: 82016: 92017: 102018: 142019: 212020: 132021: 152022: 232023: 242024: 202025: 182026: 15
2005high 24 (2023) · low 1 (2005)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 244 · See all
  • K053477Masimo Set Rad 57 CM and M Pulse CO-OximetersMasimo Corporation · 2006 · cites it directly226descendants
  • K061204Masimo Set Radical 7 Pulse CO-OximeterMasimo Corporation · 2006 · 2 generations on225descendants
  • K080238Masimo Rainbow Set Radical 7 Pulse CO-Oximeter, Masimo Rainbow Set Rad 87 Pulse…Masimo Corporation · 2008 · 2 generations on219descendants
  • K091241Masimo Rainbow Set Radical 7 Pulse CO-Oximeter; Rad 87 Pulse CO-OximeterMasimo Corporation · 2009 · 3 generations on155descendants
  • K100428Masimo Rainbow Set Radical 7R Pulse CO-OximeterMasimo Corporation · 2010 · 3 generations on115descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K000126Masimo Set Radical Pulse Oximeter with Satshare, Masimo…Masimo Corp.2000—
−2K031330Modification to Masimo Set Radical Pulse Oximeter with Satshare and Lnop…Masimo Corp.2003—
−1K033296Masimo Set Rad-5 Pulse Oximeter, Model Rad-5; Masimo Set Rad-5V Pulse…Masimo Corp.20041
0 (this device)K042536Masimo Set Rad 57 Pulse CO-OximeterMasimo Corporation2005—
+1K053477Masimo Set Rad 57 CM and M Pulse CO-OximetersMasimo Corporation2006—
+2K061204Masimo Set Radical 7 Pulse CO-OximeterMasimo Corporation2006—
+2K080238Masimo Rainbow Set Radical 7 Pulse CO-Oximeter, Masimo Rainbow Set Rad 87…Masimo Corporation20081
+3K091241Masimo Rainbow Set Radical 7 Pulse CO-Oximeter; Rad 87 Pulse CO-OximeterMasimo Corporation2009—
+3K100428Masimo Rainbow Set Radical 7R Pulse CO-OximeterMasimo Corporation2010—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198510

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200640
200710
200840
200930
201050
201170
201260
201370
2014161
201580
201691
2017100
2018140
2019210
2020130
2021150
2022230
2023240
2024200
2025180
2026150
FIG. 1 — Lineage of K042536, 2000–2026Source: 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 summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

2 devices in this family have a Class I recall. 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 DQA device

  1. #1 K221282 Empatica Health Monitoring Platformscore 20.1 · 38 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (2)

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
*K033296Masimo Set Rad-5 Pulse Oximeter, Model Rad-5; Masimo Set Rad-5V Pulse Oximeter, Model…
Summary page 1
…(862.3220) Substantially Equivalent Devices Masimo SET Rad 5 Pulse Oximeter and accessories 5 10(k) Number- K033296 Radiometer America, Inc OSM3 Hemoximeter…
Masimo Corp.20041
*K853990OSM3 Hemoximeter
Summary page 1
…Number- K033296 Radiometer America, Inc OSM3 Hemoximeter 510(k) Number - K(853990 l)escription of Masinto Rainbow SET® Rad 57 Pulse CO-Oximeter t'he Rad-57 Flaudheld Pulse CO-Oximeter with Rainbow tech…
Radiometer America, Inc.1985—

Also cleared against K033296: 10 other devices →

What descends from it? (244)

See all 244

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K053477Masimo Set Rad 57 CM and M Pulse CO-OximetersMasimo Corporation2006226
K051439Lnop Blue Oximetry SensorMasimo Corporation200539

Has anything in its family been recalled? (2 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Feb 2, 2006Not classifiedZ-0661-06OtherInternal testing revealed that some of the sensors might not meet the accuracy specifications of : 2% for SpO2 and of: 3% for SpCO, due to the tolerance of one of the emitter LED's used in the calculation ofSpO2 and SpCO. The SpO2 reading…

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K123690CAPNOSTREAM20P with Hifi C02 MonitoringOridion Medical 1987, Ltd. · 2014 · 5 generations on · ◆ in the 2014 descendants bar of FIG. 11 Class I recall
  • K160552EV1000 Clinical Platform with ClearSight Finger Cuff or ClearSight System, EV1000 Clinical PlatformEdwards Lifesciences, LLC · 2016 · 6 generations on · ◆ in the 2016 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 5 years and passes through 2 companies; a new generation was cleared every 11 months on median.
  • 1 of the 4 ancestors has a recall of any class.
  • Of its descendants, K053477 (Masimo Corporation, 2006) has gone furthest, with 226 descendants of its own.
  • 10 other devices also cite its predicate K033296.

How does its category compare?

All DQA devices

DQA Oximeter: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DQA

15in 2025

2007: 202008: 222009: 352010: 292011: 152012: 142013: 152014: 112015: 132016: 142017: 92018: 182019: 192020: 152021: 102022: 202023: 132024: 142025: 152026 (partial year): 8
2007high 35 (2009) · low 9 (2017)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DQA

182in 2025

2007: 122 days median2008: 97 days median2009: 117 days median2010: 127 days median2011: 195 days median2012: 120 days median2013: 182 days median2014: 175 days median2015: 158 days median2016: 246 days median2017: 200 days median2018: 260 days median2019: 158 days median2020: 126 days median2021: 174 days median2022: 265 days median2023: 317 days median2024: 285 days median2025: 182 days median2026 (partial year): 187 days median
2007high 317 (2023) · low 97 (2008)2026

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

Recalls per year · DQA

3in 2024

2007: 62008: 52009: 292010: 42011: 12014: 22015: 12018: 322024: 3
2007high 32 (2018) · low 0 (2012)2026

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

Adverse event reports per year · DQA

399in 2025

2007: 3252008: 3122009: 2812010: 1852011: 1642012: 3222013: 4682014: 1,1242015: 2,0822016: 1,7752017: 1,1902018: 6942019: 5482020: 4262021: 5532022: 4782023: 3922024: 5452025: 399
2007high 2,082 (2015) · low 164 (2011)2025

MAUDE reports naming product code DQA, 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
2007201226325
200822975312
20093511729281
2010291274185
2011151951164
2012141200322
2013151820468
20141117521,124
20151315812,082
20161424601,775
2017920001,190
20181826032694
2019191580548
2020151260426
2021101740553
2022202650478
2023133170392
2024142853545
2025151820399
202681870—

What is it indicated for?

The Masimo Rainbow SET Rad 57 Pulse CO-Oximeter and accessories are indicated for the continuous noninvasive monitoring of functional oxygen saturation of arterial hemoglobin (SpO₂) and pulse rate (measured by an SpO₂ sensor) and carboxyhernoglobin saturation (measured by an SpCO sensor). The Masimo SET Rad 57 and accessories are indicated for use with adult, pediatric, and neonatal patients during both no motion and motion conditions, and for patients who are well or poorly perfused in hospitals, hospital-type facilities, mobile, and home environments.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K042536: Masimo Set Rad 57 Pulse CO-Oximeter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K042536

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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