Find a medical laboratory in Poissy
Poissy is a Yvelines commune of roughly 38,000 residents on the Seine, about 25 km west of Paris, and its medical laboratory network reflects that suburban-Parisian profile: seven verified analytical laboratories (LBM — laboratoires de biologie médicale) serve the town itself plus the wider bassin covering Villennes-sur-Seine, Orgeval, Chambourcy and the commuter belt toward Saint-Germain-en-Laye. Demand is driven by working-age commuters, a sizeable retired population, and referrals from the Centre Hospitalier Intercommunal Poissy-Saint-Germain (CHIPS), one of the largest non-university hospitals in Île-de-France. Sampling sites cluster around the town centre, the Gambetta axis and near the RER A station, which keeps most residents within a short walk or a single bus ride of a prélèvement point.
The market is structurally consolidated, mirroring the national shift toward multi-site groups. Cerballiance operates two of the local sites — CERBALLIANCE IDF OUEST SITE POISSY GAMBETTA and CERBALLIANCE IDF OUEST SITE POISSY — offering the standard hospital-grade menu of haematology, biochemistry, serology and PCR. The Bio Lab network (trading as LBM SELAS Bio Lab) runs at least three Poissy sites, including SITE POISSY 11 NOVEMBRE and SITE POISSY JC MARY, plus the Laboratoire d'analyses médicales – Poissy Gambetta on the same commercial axis. A separate Biolab Laboratoire d'analyses médicales rounds out the offering. Most sites accept walk-ins for routine prescriptions before 10:00 and coordinate directly with CHIPS for oncology and antenatal follow-up.
Pricing & coverage
Routine analyses are priced under the national NABM nomenclature, so tariffs are identical across Poissy laboratories. A standard blood count (NFS) is around €10, a full lipid panel roughly €18–25, a TSH assay about €12, and a serum creatinine with eGFR near €7. Sécurité sociale reimburses 60% of the tariff on presentation of an ordonnance, with your mutuelle typically covering the remaining 40%; tiers payant is near-universal, so most patients pay nothing at the counter. Non-prescribed tests (private PCR, allergy panels, vitamin D on request) are billed out-of-pocket, usually €25–80. Device and reagent safety is overseen by ANSM.
Emergencies & out-of-hours care
Poissy laboratories keep standard weekday hours (typically 07:00–19:00, Saturdays until 12:30) and are closed Sundays and public holidays. Urgent biology after hours is handled directly by the laboratoire of the Centre Hospitalier Intercommunal Poissy-Saint-Germain on rue du Champ Gaillard, which operates 24/7 for hospital and emergency-department patients. For any life-threatening symptom — chest pain, stroke signs, severe bleeding, anaphylaxis — call 15 (SAMU) or the pan-European 112; SOS Médecins Yvelines covers home visits at night. Prescription refills and non-urgent results wait for the next opening day.
Frequently asked questions
Do I need an appointment for a blood draw in Poissy?
Walk-ins remain the norm for routine prescriptions at Cerballiance and Bio Lab sites, particularly during the 07:00–10:00 fasting window. Appointments are, however, increasingly encouraged via Doctolib for specialised sampling such as glucose tolerance tests, 24-hour urine collections, paediatric draws and COVID/flu PCR. On Saturday mornings queues at the Gambetta sites can exceed 45 minutes, so booking online is advisable if you have a train or commuting constraint.
Can I get results in English?
Reports are issued in French under NABM conventions, but the larger Cerballiance and Bio Lab platforms deliver PDFs through a secure patient portal where reference ranges are internationally standard (SI units). Staff at the Poissy Gambetta sites routinely handle English-speaking commuters from La Défense, though written translation is not offered. For medico-legal use abroad, request a compte-rendu signé and have it translated by a traducteur assermenté.
Are home visits (prélèvement à domicile) available?
Yes. Both Cerballiance and Bio Lab operate rotating morning rounds across Poissy, Villennes-sur-Seine, Orgeval and Achères for patients who are bed-bound, post-surgical or over 75. Bookings must be placed the previous afternoon by phone. Sécurité sociale covers the déplacement fee when prescribed by a doctor; otherwise a €10–15 supplement applies. Sample stability constraints mean home visits are usually limited to the 07:00–09:00 window.
Which laboratory handles urgent CHIPS referrals?
The hospital's in-house laboratoire de biologie médicale handles all inpatient and emergency-department analyses at CHIPS itself. For outpatient urgent referrals (INR monitoring, pre-operative bilans, antenatal serologies) the Bio Lab and Cerballiance sites along rue Gambetta are the practical choice given proximity and courier links to the hospital platform.
Do Poissy labs accept the European Health Insurance Card (EHIC/CEAM)?
Yes. On presentation of a valid EHIC and a French prescription, EU/EEA/Swiss visitors pay only the ticket modérateur, identical to French residents. Non-EU visitors pay the full NABM tariff upfront and claim reimbursement from their travel insurer; itemised factures acquittées are issued on request.
Safety note
This directory is informational only and is not medical advice. Always consult a licensed physician or biologiste médical for interpretation of results and individual clinical decisions.