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Quest Diagnostics

Lab Testing at Jefferson County Health Department - Questselect Members Only

QuestSelect / Members Only — access restricted in Oskaloosa, KS 66066.

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. Consider Quest Diagnostics - Lawrence (16.3 miles away) instead. We display this address for completeness. Please verify access by calling 785-403-0025 before visiting.

Looking for a publicly accessible location?

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Or see Quest Diagnostics - Lawrence (16.3 miles away) for walk-in testing.

Address

1212 Walnut St Us Hwy 59
Oskaloosa, KS 66066
Jefferson County

Hours

MondayClosed
Tuesday8:00 AM – 3:00 PM
WednesdayClosed
Thursday8:00 AM – 3:00 PM
FridayClosed
SaturdayClosed
SundayClosed

Nearby alternatives

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.