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Quest Diagnostics

Lab Testing at Iles Medical Testing - Iles Medical Testing - Questselect Members Only

QuestSelect / Members Only — access restricted in Lake Charles, LA 70607.

Restricted Access. Verify eligibility before visiting.

This is a QuestSelect program location. Walk-in access is restricted to QuestSelect members through participating employers or health plans. If you are not enrolled in QuestSelect, this location is unlikely to accept your lab order. We display this address for completeness. Please verify access by calling 337-562-0835 before visiting.

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Address

3437 Derek Dr
Lake Charles, LA 70607
Calcasieu Parish County
337-562-0835

Hours

Monday8:30 AM – 12:00, 13:00
Tuesday8:30 AM – 12:00, 13:00
Wednesday8:30 AM – 12:00, 13:00
Thursday8:30 AM – 12:00, 13:00
Friday8:30 AM – 12:00, 13:00
SaturdayClosed
SundayClosed

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About this location

QuestSelect / Members Only — access restricted. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.

Listing last updated 2026-04-25.