FDA product code · Orthopedic · Class 2

LPH: Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented

LPH is FDA's product code for "Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented": a Class 2 device classified under 21 CFR 888.3358, reviewed by the Orthopedic panel. FDA flags it as an implant.

510(k) review time for LPH

Across 96 510(k) clearances under LPH decided from 2018-01-01 to 2026-10-06, the median was 161 days from FDA receipt to decision. Half took between 90 and 270 days, and 80% were decided within 282 days. These are past clearances, not a forecast for a new submission.

Days from FDA receipt to 510(k) decision, LPH, decisions 2018-01-01 to 2026-10-06 (n = 96)
Fastest22
25th percentile90
Median161
75th percentile270
80th percentile282
90th percentile403
Slowest756
Median days by decision year, LPH (years with enough clearances to compute). The partial final year counts only submissions already decided, so its median runs low.
YearMedian daysn
20181459
201916422
20201647
20214108
202224714
202311110
2024926
202515312
2026 (to 10-06, partial)2568

Source: openFDA 510(k) records, snapshot of 2026-10-06 (openFDA data as of 2026-09-28). Compare 510(k) review times across all device types, see every code side by side in the Clearance Timeline Estimator, or browse the clearances themselves in PredicateScope.

LPH in the public FDA record

Records naming LPH, from openFDA (snapshot of 2026-09-15)
510(k) clearances, all years564
Device recalls297
Establishment listings2,865
GUDID device identifiers34,982

Counts of records, not of devices or events. Adverse event reports for LPH are in MAUDEScope, as counts with the query shown: MAUDE has no denominator, so a report count is not a rate and does not show that a device caused an event.

FDA-recognized standards that cite LPH

54 FDA recognized consensus standards cite LPH, among them ASTM F1875-98 (Reapproved 2022); ASTM F983-86 (Reapproved 2018); ASTM F565-04 (Reapproved 2018). Horizontal standards such as biocompatibility, sterilization and software standards can apply without citing the code.

  • 11-183 ASTM F1875-98 (Reapproved 2022) — Standard Practice for Fretting Corrosion Testing of Modular Implant Interfaces: Hip Femoral Head-Bore and Cone Taper Interface
  • 11-197 ASTM F983-86 (Reapproved 2018) — Standard Practice for Permanent Marking of Orthopaedic Implant Components
  • 11-199 ASTM F565-04 (Reapproved 2018) — Standard Practice for Care and Handling of Orthopedic Implants and Instruments
  • 11-272 ASTM F1714-96 (Reapproved 2025) — Standard Guide for Gravimetric Wear Assessment of Prosthetic Hip Designs in Simulator Devices
  • 11-277 ISO 7206-6 Second edition 2013-11-15 — Implants for surgery - Partial and total hip joint prostheses - Part 6: Determination of endurance properties of head and neck region of stemmed femoral components
  • 11-307 ASTM F2385-15 (Reapproved 2024) — Standard Practice for Determining Femoral Head Penetration into Acetabular Components of Total Hip Replacement Using Clinical Radiographs
  • 11-312 ISO 7206-4 Third edition 2010-06-15 — Implants for surgery - Partial and total hip joint prostheses - Part 4: Determination of endurance properties and performance of stemmed femoral components [Including AMENDMENT 1 (2016)]
  • 11-314 ISO 14242-2 Second edition 2016-09-15 — Implants for surgery - Wear of total hip-joint prostheses - Part 2: Methods of measurement
  • 11-319 ISO 7206-12 First edition 2016-10-01 — Implants for surgery - Partial and total hip joint prostheses - Part 12: Deformation test method for acetabular shells
  • 11-337 ISO 16087 First edition 2013-10-01 — Implants for surgery - Roentgen stereophotogrammetric analysis for the assessment of migration of orthopaedic implants
  • 11-339 ISO 7206-2 Third edition 2011-04-01 AMENDMENT 1 2016-09-15 — Implants for surgery - Partial and total hip joint prostheses - Part 2: Articulating surfaces made of metallic ceramic and plastics materials [Including AMENDMENT1 (2016) ]
  • 11-342 ASTM F732-17 (Reapproved 2025) — Standard Test Method for Wear Testing of Polymeric Materials Used in Total Joint Prostheses
  • 11-344 ASTM F2580-18 — Standard Practice for Evaluation of Modular Connection of Proximally Fixed Femoral Hip Prosthesis
  • 11-349 ISO 14242-3 First edition 2009-03-15 — Implants for surgery - Wear of total hip-joint prostheses - Part 3: Loading and displacement parameters for orbital bearing type wear testing machines and corresponding environmental conditions for test [Including AMENDMENT 1 (2019)]
  • 11-352 ISO 14242-1 Third edition 2014-10-15 — Implants for surgery - Wear of total hip-joint prostheses - Part 1: Loading and displacement parameters for wear-testing machines and corresponding environmental conditions for test [Including AMENDMENT 1 (2018)]

The first 15 of 54 are shown. Source: FDA Recognized Consensus Standards, snapshot of 2026-09-01. Search them all in the Consensus Standards Lookup.

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