510(k) Report

510(k) · Cleared

Cleared

Chemwell, Also Known as Project 2900

K013420510(k) AbbreviatedCleared Jul 19, 2002277-day reviewClass II21 CFR 862.1690

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

Awareness Technology, Inc. · JLW Radioimmunoassay, Thyroid-Stimulating Hormone

Cleared on Jul 19, 2002 after a 277-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
Jul 19, 2002
Review
277 days
Class
Class II
Product code
JLW
Recalls
None
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K013420Source: FDA 510(k) database · How lineage is built

Get the monthly Device Review Tracker

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 JLW? 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 JLW device

  1. #1 K251543 Atellica® IM TSH3-Ultra II (TSH3ULII)score 11.4 · 3 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?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it?

No later submission names this one as a predicate yet.

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.

How does its category compare?

All JLW devices

JLW Radioimmunoassay, Thyroid-Stimulating Hormone: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · JLW

1in 2025

2008: 52009: 22010: 12012: 12013: 12014: 12015: 32016: 32017: 42019: 12022: 12023: 12024: 22025: 12026 (partial year): 1
2007high 5 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JLW

194in 2017

2008: 143 days median2015: 142 days median2016: 238 days median2017: 194 days median
2007high 238 (2016) · low 142 (2015)2026

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

Recalls per year · JLW

2in 2025

2007: 12010: 12011: 12012: 32016: 12018: 42019: 12020: 22024: 22025: 2
2007high 4 (2018) · low 0 (2008)2026

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

Adverse event reports per year · JLW

103in 2025

2007: 192008: 102009: 412010: 342011: 1672012: 1442013: 1682014: 1552015: 2032016: 1832017: 2352018: 2492019: 2162020: 1452021: 1462022: 1372023: 1622024: 1692025: 103
2007high 249 (2018) · low 10 (2008)2025

MAUDE reports naming product code JLW, 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
20070—119
20085143010
20092—041
20101—134
20110—1167
20121—3144
20131—0168
20141—0155
201531420203
201632381183
201741940235
20180—4249
20191—1216
20200—2145
20210—0146
20221—0137
20231—0162
20242—2169
20251—2103
20261—0—

What is it indicated for?

ChemWell will be used by laboratory technologists to obtain blood chemistry information from patient serum samples. The following quantitative UBI ELISA kits are included in this 510(k): thyroid stimulating hormone (TSH), total triiodothyronine (T3) and total thyroxine (T4). The measurement of these hormones is used for the diagnosis of thyroid disorders.

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

Cite this page

510(k) Report. “K013420: Chemwell, Also Known as Project 2900.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K013420

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
  • Page last updated Nov 3, 2026