510(k) Report

FDA product code · Hematology

Test, Time, Prothrombin

GJSClass II21 CFR 864.7750510(k) required127 decisions since 197849 recalls

127 FDA decisions since 1978. 510(k) reviews decided 2021–2025 took a median of 299 days (half between 60 and 399). 49 recalls name this code, 5 of them Class I. The most-cited predicate is K060978, named by 5 later devices.

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

FIG. A — Illustration, hematology panel

Twenty years of GJS at a glance: how often FDA decides these devices, how long 510(k) reviews take, how often they are recalled, and how many adverse event reports name the code.

FDA decisions per year · GJS

3in 2025

2007: 42008: 12010: 42012: 12013: 12014: 12016: 12017: 12018: 22019: 22020: 12022: 32023: 22024: 12025: 3
2007high 4 (2007) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GJS

60in 2025

2007: 77 days median2010: 168 days median2022: 399 days median2025: 60 days median
2007high 399 (2022) · low 60 (2025)2026

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

Recalls per year · GJS

1in 2022

2007: 52008: 32009: 42010: 22011: 12012: 12013: 12014: 4, 3 Class I2017: 52018: 3, 2 Class I2020: 22021: 12022: 1
2007high 5 (2007) · low 0 (2015)2026

Class I (5 since 2007) Class II/III not classified

Adverse event reports per year · GJS

105in 2025

2007: 4392008: 4202009: 8762010: 2,1772011: 2,9652012: 2,1982013: 2,5842014: 2,3972015: 1,2602016: 8642017: 5322018: 1,9582019: 2,3852020: 1,3902021: 1,3592022: 1,2102023: 8092024: 1772025: 105
2007high 2,965 (2011) · low 105 (2025)2025

MAUDE reports naming product code GJS, 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
20074775439
20081—3420
20090—4876
2010416822,177
20110—12,965
20121—12,198
20131—12,584
20141—4 (3)2,397
20150—01,260
20161—0864
20171—5532
20182—3 (2)1,958
20192—02,385
20201—21,390
20210—11,359
2022339911,210
20232—0809
20241—0177
20253600105
20260—0—
FIG. 1 — GJS by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in GJS? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.

See the 510(k) Report

Related product codes

Other codes under 21 CFR 864.7750.