510(k) Report

510(k) · Cleared

Cleared

Fisher Diagnostics Thromboscreen 1000; Pacific Hemostasis Fibrinogen Reagent Plus Kaolin

K023362510(k) TraditionalCleared Dec 9, 200263-day reviewClass II21 CFR 864.5400

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

Fisher Diagnostics · GKP Instrument, Coagulation, Automated

Cleared on Dec 9, 2002 as substantially equivalent to K884863 (Medical Laboratory Automation Systems, Inc., 1989) and 2 other predicates after a 63-day review. Its family tree reaches back 1 generation to 1978. 1 later device descends from it.

Decided
Dec 9, 2002
Review
63 days
Class
Class II
Product code
GKP
Recalls
None
Predicates
3

Its longest line of descent runs back 1 generation to K781880 (1978). 3 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1993: 1 other ancestor1989: 1 other ancestor2007: 1 descendant clearedK781880 · Assay Kit, Thrombo-Screen · Pacific Hemostasis · 197819801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors 1 generation forward: 1 descendant K781880 · Assay Kit, Thrombo-Screen · Pacific Hemostasis · 19780
  1. Root · 1 generation backK781880 Assay Kit, Thrombo-ScreenPacific Hemostasis · 1978
  2. This deviceK023362 Fisher Diagnostics Thromboscreen 1000; Pacific Hemostasis Fibrinogen…Fisher Diagnostics · 2002
  3. Descendant · cites it directly · 0 of its ownK060968 Stasis - I, II and Iii; Serathan - a, B; Intrin - EA, SI Calcium…Wortham Laboratories, Inc. · 2007

Most influential descendants

Showing 1 of 1 · See all
  • K060968Stasis - I, II and Iii; Serathan - a, B; Intrin - EA, SI Calcium Chloride 0.02M…Wortham Laboratories, Inc. · 2007 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K781880Assay Kit, Thrombo-ScreenPacific Hemostasis1978—
0 (this device)K023362Fisher Diagnostics Thromboscreen 1000; Pacific Hemostasis Fibrinogen Reagent…Fisher Diagnostics2002—
+1K060968Stasis - I, II and Iii; Serathan - a, B; Intrin - EA, SI Calcium Chloride…Wortham Laboratories, Inc.2007—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200710
FIG. 1 — Lineage of K023362, 1978–2007Source: 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.

Planning a device in GKP? 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 GKP device

  1. #1 K242127 ACL TOP Family 50 Series (ACL TOP 750; ACL TOP…score 9.3 · 6 generations · no Class I recall
  2. #2 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (3)

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
*K884863Electra 900C Automatic Coagulation Timer
Summary page 1
…Fibrinogen Test 21 CFR 864.7340 Equivalent Devices: MLA 9OOC (K884863) MLA 1600C (K93 1206) Fibrinogen Reag…
Medical Laboratory Automation Systems, Inc.1989—
*K931206Electra 1600C Automatic Coagulation Timer
Summary page 1
…21 CFR 864.7340 Equivalent Devices: MLA 9OOC (K884863) MLA 1600C (K93 1206) Fibrinogen Reagent (K78 1880) Description of the Devices The ThromboScreen@1000…
Medical Laboratory Automation Systems, Inc.1993—
*K781880Assay Kit, Thrombo-Screen
Summary page 1
…MLA 9OOC (K884863) MLA 1600C (K93 1206) Fibrinogen Reagent (K78 1880) Description of the Devices The ThromboScreen@1000 (TS 1000) is a photo-optical instrument used for the performance of in-vitro…
Pacific Hemostasis1978—

Also cleared against K884863: 5 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
K060968Stasis - I, II and Iii; Serathan - a, B; Intrin - EA, SI Calcium Chloride 0.02M…Wortham Laboratories, Inc.20070

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

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • None of the 3 ancestors has a recall.
  • Of its descendants, K060968 (Wortham Laboratories, Inc., 2007) has gone furthest, with 0 descendants of its own.
  • 5 other devices also cite its predicate K884863.

How does its category compare?

All GKP devices

GKP Instrument, Coagulation, Automated: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GKP

1in 2024

2007: 12008: 12009: 12015: 12016: 12023: 12024: 1
2007high 1 (2007) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GKP

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

Recalls per year · GKP

1in 2022

2007: 32010: 42022: 1
2007high 4 (2010) · low 0 (2008)2026

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

Adverse event reports per year · GKP

5in 2024

2007: 32008: 52009: 1902010: 742011: 452012: 352013: 422014: 262015: 242016: 132017: 182018: 192019: 382020: 142021: 172022: 42023: 42024: 5
2007high 190 (2009) · low 0 (2025)2025

MAUDE reports naming product code GKP, 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
20071—33
20081—05
20091—0190
20100—474
20110—045
20120—035
20130—042
20140—026
20151—024
20161—013
20170—018
20180—019
20190—038
20200—014
20210—017
20220—14
20231—04
20241—05
20250—00
20260—0—

What is it indicated for?

The Pacific Hemostasis® Fibrinogen Reagent plus Kaolin is intended to be used on the Fisher Diagnostics ThromboScreen® 1000 Coagulation Instrument for the quantitative determination of fibrinogen in plasma.

The Fisher Diagnostics ThromboScreen® 1000 is a photo-optical instrument used for the performance of in-vitro diagnostic coagulation testing of citrated plasma specimens in the clinical laboratory. Coagulation testing capabilities of the device include routine clotting tests such as Prothrombin Time (PT), Activated Partial Thromboplastin Time (APTT), and Fibrinogen.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K023362: Fisher Diagnostics Thromboscreen 1000; Pacific Hemostasis Fibrinogen Reagent Plus Kaolin.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K023362

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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