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9 Best Medical Laboratories in Denver

Denver medical laboratories serve different testing needs, including routine blood work, doctor-ordered sample collection, employer or school testing, and private preventive panels. Choosing well starts with matching the laboratory to the order, test type, and level of support you need.

Confirm preparation instructions, appointment requirements, payment arrangements, and how results are shared. If needles or the first visit are concerns, ask what the collection process is like and whether staff can explain each step clearly.

How this guide is ordered

This list of medical laboratories in Denver comes from checking each business's expertise, its customer ratings and its contact information.

Certain businesses pay to appear in more visible positions.

Top 3Full listMapHow to choose

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#1
Any Lab Test Now
5.0546 reviews
Employer and school testingConvenient blood and drug testing
#2
Any Lab Test Now
4.8257 reviews
Visitors seeking private STD testing
#3
UCHealth Laboratory - Anschutz Outpatient Pavilion
4.7296 reviews

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Compare 9 local options

Any Lab Test Now, Denver#1
What stands out

  • Clear guidance through lab testing

Any Lab Test Now

5.0546 reviews
6180 S Gun Club Rd # L4, Aurora, CO 80016, United States
Best for
Employer and school testingConvenient blood and drug testing

Any Lab Test Now provides blood testing and other laboratory services for people seeking a private, convenient testing process in the Denver area. The clinic’s staff is approachable and informative, taking time to explain procedures, answer questions, and guide visitors through each step with care.

Appointments can cover needs such as employer or school testing, drug testing, health-related lab work, and injections such as B12. The setting is clean and organized, with an emphasis on efficient service and clear communication rather than a complicated clinical visit. Rapid HIV testing is also available at this location.

Any Lab Test Now, Denver#2
What stands out

  • Clear testing explanations

  • Private, organized appointments

Any Lab Test Now

4.8257 reviews
881 Thornton Pkwy, Thornton, CO 80229, United States
Best for
Visitors seeking private STD testing

Any Lab Test Now brings private STD testing to the Denver area with a straightforward, self-directed process. The clinic focuses on making test selection and preparation easier to understand, with staff known for explaining available options clearly and answering questions patiently.

Organization and efficiency are central to the experience, from appointment coordination through sample collection. A clean setting and careful, reassuring service help make the first visit less stressful, while online result delivery adds continuity after the appointment. Planning ahead is advisable, particularly for visitors who need a specific appointment time.

UCHealth Laboratory - Anschutz Outpatient Pavilion, Denver#3
What stands out

  • Patient-focused blood draws

UCHealth Laboratory - Anschutz Outpatient Pavilion

4.7296 reviews
1635 Aurora Court Anschutz Outpatient Pavilion, Suite 1015, Aurora, CO 80045, United States

UCHealth Laboratory at Anschutz Outpatient Pavilion is a Denver medical laboratory shaped around efficient, carefully managed sample collection. The team’s approach combines professional execution with a courteous manner, helping visitors feel heard before and during the procedure.

Needle-related concerns receive particular attention: staff take time to listen, explain what is happening, and respond with patience. The process is also noted for prompt check-in and short waits, making this a sensible laboratory setting for routine testing or a first visit requiring extra reassurance.

Any Lab Test Now, Denver#4
What stands out

  • Self-directed blood testing

  • Smooth, efficient sample collection

Any Lab Test Now

4.9112 reviews
6770 W Coal Mine Ave, Littleton, CO 80123, United States
Best for
Routine blood workPreventive health checks

Any Lab Test Now provides blood testing in the Denver area through a self-directed, full-service laboratory model. Visitors can choose from available testing options without necessarily needing a doctor’s order, while staff help make the process understandable from arrival through sample collection.

The setting is clean and the team’s manner is patient, polite, and efficient. Smooth blood draws, short visits, and clear communication give the clinic a practical rhythm for people who want testing handled without unnecessary complexity. It is particularly appealing for routine blood work , preventive health checks , and visitors comparing a direct-pay testing option.

ULocal option
#5
What stands out

  • Clean, comfortable setting

  • Efficient order handling

UCHealth Laboratory - Cherry Creek

4.8120 reviews
100 Cook St Ste 200, Denver, CO 80206, United States
Best for
Routine lab workOlder adults needing a calmer visit

UCHealth Laboratory in Cherry Creek gives routine medical testing a calm, orderly feel. The Denver location is recognized for a clean, comfortable environment, warm staff, and efficient handling of lab orders, including visits where an existing order can be located quickly.

Short waits and well-managed blood draws make the process approachable for both regular testing and visitors accompanying an older family member. When a draw proves difficult, staff work cooperatively to find a solution while keeping the procedure as comfortable as possible.

Quest Diagnostics, Denver#6
What stands out

  • Patient, skilled phlebotomy

Quest Diagnostics

4.5135 reviews
8080 Park Meadows Dr Ste 120, Lone Tree, CO 80124, United States
Best for
Doctor-ordered sample collectionSelf-purchased health testing

Quest Diagnostics serves Denver-area visitors needing sample collection for doctor-ordered or self-purchased laboratory work. The location supports a broad testing framework, including health profiles, women’s health panels, infection and immunization-status testing, and discreet STI screening.

The strongest practical advantage is a smooth, efficient visit supported by patient phlebotomy. Staff take time to explain the process, answer questions, and reassure children or visitors who feel uneasy about blood draws. Appointment planning can help keep the experience focused, although the location also handles some walk-in needs.

Quest Diagnostics, Denver#7
What stands out

  • Streamlined appointment flow

  • Efficient sample collection

Quest Diagnostics

4.288 reviews
11088 W Jewell Ave, Lakewood, CO 80232, United States
Best for
Scheduled routine lab workSelf-purchased health panels

Quest Diagnostics provides Denver-area sample collection for doctor-ordered and self-purchased lab work, with options spanning general health profiles, women’s health, hormone-related testing, and discreet STI screening.

This location is best known for a streamlined visit when the appointment process is handled in advance. Efficient check-in, a compact waiting area, and capable phlebotomy can keep the appointment moving quickly. The setting is convenient for visitors who prefer an organized, focused stop for routine laboratory work.

Quest Diagnostics, Denver#8
What stands out

  • Supportive care during difficult draws

  • Clear appointment check-in

Quest Diagnostics

3.9124 reviews
8199 Southpark Ln Ste 110, Littleton, CO 80120, United States
Best for
Scheduled blood workVisitors with needle anxiety

Quest Diagnostics offers Denver-area sample collection for doctor-ordered and self-purchased laboratory work, with testing choices that extend from general health profiles to women’s health, hormone, infection-status, and discreet STI panels.

A clear check-in process and visible queue information help visitors understand the flow of the appointment. The phlebotomy team is particularly attentive when a draw is difficult, taking time to answer questions, work carefully, and provide reassurance. A clean setting and thoughtful aftercare add to the sense of continuity. Appointments are recommended for visitors who need a predictable, well-organized visit.

DLocal option
#9
What stands out

  • Focused DOT physical exams

Denver DOT exam

4.65 reviews
7120 E 49th Ave #206, Commerce City, CO 80022, United States

Denver DOT Exam focuses on medical examinations for commercial drivers and other professionals who need to meet Department of Transportation requirements. The process is designed to be convenient and clearly explained, with staff offering a patient, helpful manner during the appointment.

Preparing the required medical history and medication details in advance can make the examination more efficient. The service is especially relevant for drivers renewing a medical certificate or completing a DOT physical for a commercial license.

Summary

The comparison at a glance

#BusinessRatingReviewsBest for
#1Any Lab Test Now 5.0546Employer and school testing
#2Any Lab Test Now 4.8257Visitors seeking private STD testing
#3UCHealth Laboratory - Anschutz Outpatient Pavilion 4.7296—
#4Any Lab Test Now 4.9112Routine blood work
#5UCHealth Laboratory - Cherry Creek 4.8120Routine lab work
#6Quest Diagnostics 4.5135Doctor-ordered sample collection
#7Quest Diagnostics 4.288Scheduled routine lab work
#8Quest Diagnostics 3.9124Scheduled blood work
#9Denver DOT exam 4.65—

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Map and areas

Map of medical laboratories in Denver

The listed laboratories serve Denver testing needs across several care pathways, from routine lab work and preventive checks to private testing and samples ordered by a clinician. No verified neighborhood grouping is provided, so the map is most useful as a citywide starting point. Before traveling, confirm the exact location, appointment process, test availability, and whether the site accepts your order or self-purchased panel. These details can make a greater difference than distance alone.

Services to compare

  • Routine blood workArrange common laboratory testing connected with ongoing care or a scheduled health check.
  • Doctor-ordered collectionUse a laboratory for sample collection when a clinician has provided an order.
  • Employer and school testingFind support for required workplace, school, or related screening appointments.
  • Private STD testingExplore private testing options when discretion and a clear collection process matter.
  • Preventive testingAsk about direct-pay or self-purchased panels intended for preventive health planning.
  • Drug testingLocate convenient blood or drug testing and confirm the documentation requirements beforehand.
  • Calmer sample visitsAsk about patient guidance for older adults or visitors who feel nervous about needles.

How to choose medical laboratories in Denver

  1. Match the orderCheck that the laboratory accepts the exact clinician order, specimen type, and collection instructions you have.
  2. Ask about preparationConfirm fasting, medication, hydration, timing, and arrival requirements before booking the appointment.
  3. Clarify result deliveryAsk who receives the results, how they are released, and when you should contact the ordering clinician.
  4. Verify self-pay termsFor direct-pay testing, request the full scope of the panel and ask what is included before payment.
  5. Plan for sensitive testingFor private STD testing, ask about identification, privacy during collection, and the expected communication process.

Frequently asked questions

Do I need a doctor’s order for medical laboratory testing?

It depends on the test and the laboratory. Doctor-ordered collection requires the appropriate order, while some facilities also offer self-purchased or direct-pay testing. Before visiting, ask whether the specific test can be requested directly and what identification or preparation is required.

How should I prepare for routine blood work?

Preparation varies by test. Some orders require fasting or a particular collection time, while others do not. Follow the ordering clinician’s instructions rather than assuming every blood draw has the same requirements. Ask the laboratory to confirm arrival procedures and whether water, medications, or supplements need special handling.

Can a laboratory explain my test results?

Collection staff can usually explain logistics, preparation, and how results are delivered, but interpretation belongs with the ordering clinician or another qualified healthcare professional. Ask in advance who will receive the report and how to follow up if a result needs medical discussion.

What should I ask before private STD testing?

Confirm which tests are included, whether an appointment is required, how privacy is handled, and how results will be communicated. Also ask whether the service is direct-pay and whether a clinician is available for follow-up. Do not assume one panel covers every concern; describe the testing need when arranging the visit.

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