510(k) Report

510(k) · Cleared

Cleared

Immulite/Immulite 1000 Turbo Intact PTH

K053533510(k) TraditionalCleared Feb 3, 200646-day reviewClass II21 CFR 862.1545

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

Diagnostic Products Corporation · CEW Radioimmunoassay, Parathyroid Hormone

Cleared on Feb 3, 2006 after a 46-day review. The FDA summary names no predicate by number. 2 later devices descend from it.

Decided
Feb 3, 2006
Review
46 days
Class
Class II
Product code
CEW
Recalls
None
Predicates
0

2 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2006: 1 descendant cleared2024: 1 descendant clearedReference device: K992105 · Immulite Turbo Intact PTH, Model Lskptz · Diagnostic Products Corp. · 199920052010201520202025
  1. This deviceK053533 Immulite/Immulite 1000 Turbo Intact PTHDiagnostic Products Corporation · 2006
  2. Descendant · cites it directly · 1 of its ownK061190 Access Intact PTH and Calibrators, Models a 16972 and a 16953Beckman Coulter, Inc. · 2006 · Recalled
  3. Descendant · 2 generations on · 0 of its ownK232791 Access Intact PTHBeckman Coulter, Inc. · 2024 · Recalled

Most influential descendants

Showing 2 of 2 · See all
  • K061190Access Intact PTH and Calibrators, Models a 16972 and a 16953Beckman Coulter, Inc. · 2006 · cites it directly1descendant
  • K232791Access Intact PTHBeckman Coulter, Inc. · 2024 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K053533Immulite/Immulite 1000 Turbo Intact PTHDiagnostic Products Corporation2006—
+1K061190Access Intact PTH and Calibrators, Models a 16972 and a 16953Beckman Coulter, Inc.20061
+2K232791Access Intact PTHBeckman Coulter, Inc.20241

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200610
202410
FIG. 1 — Lineage of K053533, 2006–2024Source: 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 CEW? 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 CEW device

  1. #1 K231927 Elecsys PTH , Elecsys PTH STATscore 7.7 · 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?

The FDA summary names no predicate by number.

What descends from it? (2)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K061190Access Intact PTH and Calibrators, Models a 16972 and a 16953Beckman Coulter, Inc.20061

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?

  • Of its descendants, K061190 (Beckman Coulter, Inc., 2006) has gone furthest, with 1 descendant of its own.

How does its category compare?

All CEW devices

CEW Radioimmunoassay, Parathyroid Hormone: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CEW

2in 2024

2007: 42010: 12012: 12013: 22014: 12015: 12017: 22019: 12023: 12024: 2
2007high 4 (2007) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CEW

160in 2007

2007: 160 days median
2007high 160 (2007)2026

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

Recalls per year · CEW

1in 2025

2007: 12008: 12010: 32013: 12016: 22022: 22024: 22025: 1
2007high 3 (2010) · low 0 (2009)2026

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

Adverse event reports per year · CEW

37in 2025

2008: 82009: 42010: 232011: 972012: 1242013: 1722014: 1672015: 572016: 982017: 832018: 652019: 772020: 502021: 572022: 1882023: 822024: 672025: 37
2007high 188 (2022) · low 0 (2007)2025

MAUDE reports naming product code CEW, 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
2007416010
20080—18
20090—04
20101—323
20110—097
20121—0124
20132—1172
20141—0167
20151—057
20160—298
20172—083
20180—065
20191—077
20200—050
20210—057
20220—2188
20231—082
20242—267
20250—137
20260—0—

What is it indicated for?

For in vitro diagnostic use with the IMMULITE and IMMULITE 1000 Analyzers - for the quantitative measurement of intact parathyroid hormone (parathyrin, PTH) in EDTA plasma or serum. It is intended as an aid in the differential diagnosis of hypercalcemia and hypocalcemia and can be used intraoperatively.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K053533: Immulite/Immulite 1000 Turbo Intact PTH.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K053533

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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