Lower riskMedical device recall · FDA · Published March 10, 2021
Remel Haemophilus Test Medium: Light Growth Zones May Affect Test Accuracy
Remel recalls Haemophilus Test Medium (10/PK) due to potential light growth zones causing measurement errors in antimicrobial tests. Affected lots expire Feb 2021.
“Remel Haemophilus Test Medium: Light Growth Zones May Affect Test Accuracy.” GovInfoNow, updated August 19, 2026. https://govinfonow.com/recall/63107-remel-haemophilus-test-medium-light-growth-zones-may-affect-test. Based on FDA recall #Z-1425-2021 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-1425-2021%22&limit=1).
The FDA announced on March 10, 2021, that Remel Inc. is recalling Remel Haemophilus Test Medium (100mm) 10/PK due to potential growth issues. The hazard involves lighter than normal growth of specific organisms, making zones difficult to measure.
How to tell if you have it
Brand: Remel
Product: Remel Haemophilus Test Medium(100mm) 10/PK
REF: R01503
Lot Number: 220711
Expiration Date: 2021-2-17
Quantity: 19 units
The hazard
When tested with H. influenza ATCC 49247 and ATCC 49766, both organisms may exhibit lighter than normal growth making zones difficult to measure.
Context
GovInfoNow's records show Remel, Inc has 22 other recalls on record since 2017-11-02. Other recent recalls of similar products include Remel GC Agar Base Recall (2026-06-03), Remel Yeastone Broth Recall (2026-03-24), and Remel Campy CVA Medium 100/PK recall (2026-02-05). Additional similar product recalls include Remel Neisseria meningitidis Gp C 2ml/VL recall (2026-07-17) and Remel Oxoid Agglutinating Sera Recall (2026-03-25).
How to tell if you have this one
Check for lot numbers on the packaging, such as Lot 220711. The product expires February 17, 2021, and is sold as a 100mm solid medium in packs of 10.
Brand
Remel
Category
Medical device
FDA recall event · 2 products
All 2 products in this recall
FDA lists each product line separately under one recall event. Check your product description, lot or code numbers against each row. Every row shares the hazard and remedy on this page.
Classification
Class II
Status
Ongoing
Distribution
US Nationwide distribution.
Recall number
Product, codes & lots
Quantity
Z-1424-2021
Remel Haemophilus Test Medium (150 mm) 10/PK, REF 04033 Remel Haemophilus Test Medium (HTM) is a solid medium recommended for use in qualitative procedures by the Clinical and Laboratory Standards Institute (CLSI) as the growth medium for antimicrobial disk diffusion tests with Haemophilus species.; Lot Numbers: 201334 Exp. 2021-01-21, 210892 Exp. 2021-02-03, 217048 Exp. 2021-02-10
408 units
Z-1425-2021
Remel Haemophilus Test Medium(100mm) 10/PK, REF: R01503 Remel Haemophilus Test Medium (HTM) is a solid medium recommended for use in qualitative procedures by the Clinical and Laboratory Standards Institute (CLSI) as the growth medium for antimicrobial disk diffusion tests with Haemophilus species.; Lot Numbers: Lot 220711 Exp. 2021-2-17
19 units
Based on the official FDA remedy
What to do — step by step
Check Product Lot Number
Look for the lot number on the packaging, such as Lot 220711.
Where it went and when
Where it was distributed
Distributed nationwide.
Nationwide
Not listed
FDA distribution: “US Nationwide distribution.” States read from FDA’s own wording; “not listed” means the notice does not name it.
Distributed nationwide.
Recall timeline
FDA published this recall 42 days after the firm started it.
1Firm started the recall
2FDA classified it Class II
3Published in FDA’s Enforcement Report
Dates from the agency record only; steps without a date are left out.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
Official source: FDA Recall #Z-1425-2021 (March 10, 2021) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-1425-2021 to see it in context.
Plain-language summary written by qwen3:4b on August 19, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.