Lab Services

Please be aware that building restrictions are in place. Upon entrance to any County building, employees and the public are encouraged to wear cloth facial protection, and everyone is required to have a health screening, including temperature check, before entering. Those with a fever or who have other COVID-19 symptoms will not be permitted to enter the building.

This website will be updated daily, when necessary, to reflect any changes in facility or department services. The public is encouraged to continue accessing County Government services by phone, email and online when available. Thank you.

We hope that you will remain healthy and safe, and we thank you for your cooperation and understanding.


COVID-19 Latest News - Updated December 22, 2020

Due to the COVID-19 pandemic, the Department of Public Health is temporarily suspending walk-in services for our Health Services Clinic but does offer limited appointments for some services. For more information or to schedule an appointment, please call 636-949-7484.

Health Checkup_nurse with two adultsScreening, education and treatment promote the health of a community. Testing to prevent diseases before they occur or to determine exactly what illness you may have will help maintain good health. Once you become aware of your condition, our staff can consult with you on developing a plan to keep you healthy.

Our Location

1650 Boone's Lick Road
St. Charles, MO 63301

Lab Services Available by Appointments

The services we offer are available to all who make an appointment. Please call us at 636-949-7484 to schedule a convenient time (Mondays through Fridays, except holidays) and to discuss what you should expect to occur during your visit. Please note:  many Lab Services are temporarily suspended due to the COVID-19 pandemic.

Tuberculosis Testing (By appointment only until further notice.)

*Asterisk indicates that this screen requires a blood draw.
Service/Testing Option Cost
Tuberculosis Skin Testing (PPD) - no appointment necessary (not available on Thursdays) $20
QuantiFERON® Gold blood test $55*
Blood Draw fee $10 per visit

Heart Health Testing (Not currently available.)

*Asterisk indicates that this screen requires a blood draw.
Service/Testing Option Cost
Fasting total cholesterol blood test (requires no eating or drinking for at least 9 hours prior) $5*
Fasting triglyceride blood test (requires no eating or drinking for at least 9 hours prior) $5*
Fasting High Density Lipoprotein (HDL) blood test (requires no eating or drinking for at least 9 hours prior) $5*
Blood pressure examination No charge
Body Mass Index (BMI) analysis No charge
Blood Draw fee $10 per visit

Blood Glucose Testing (Not currently available.)

*Asterisk indicates that this screen requires a blood draw.
Service/Testing Option Cost
On-site, rapid blood glucose test $5*
Fasting glucose blood test (requires no eating or drinking for at least 8 hours prior) $5*
Hemoglobin A1C blood test $5*
Body Mass Index (BMI) analysis No charge
Blood Draw fee $10 per visit

Hepatitis/Liver Function Testing (Not currently available.)

*Asterisk indicates that this screen requires a blood draw.
Service/Testing Option Cost
Hepatitis C rapid testing $30*
Hepatitis B core IgM $10*
Hepatitis B antibody (Qualitative test) $10*
Hepatitis B antibody (Quantitative test) $20*
Hepatitis B antigen $5*
Hepatitis A IgM $15*
Blood Albumin level $5*
Blood Bilirubin direct $5*
Total blood Bilirubin $5*
Total blood protein level $5*
Alkaline Phosphate (ALP) enzyme level $5*
Aspartate Aminotransferase (AST) enzyme level $5*
Alanine Aminotransferase (ALT) enzyme level $5*
Blood pressure examination No charge
Blood Draw fee $10 per visit

Titer Screening (Establishes Immunity Level)

Many contagious diseases have been managed by childhood vaccination efforts, but several of them including measles, mumps, pertussis (whooping cough) and varicella (chickenpox) have resurfaced as immunity levels decrease. To help individuals know if they are immune or require a booster for these and other preventable diseases, the Division of Health Services offers titer screening services.


(Testing is not currently available.)

*Asterisk indicates that this screen requires a blood draw.
Service/Testing Option Cost (as of 9/1/19)
Hepatitis B antibody (Quantitative test) $20*
MMR (Measles, Mumps and Rubella) screen $92*
Measles antibody $40*
Mumps antibody $27*
Rabies antibody $65*
Rubella (German Measles) antibody $25*
Varicella (Chickenpox) antibody (IgM and IgG) $62*
Varicella antibody (IgM) $47*
Varicella antibody (IgG) $15*
Blood Draw fee $10 per visit

Blood Lead Level Testing (Not currently available.)

*Asterisk indicates that this screen requires a blood draw.
Service/Testing Option Cost
Blood lead level check $10*
Blood Draw fee $10 per visit

Prostate Health Testing (Not currently available.)

*Asterisk indicates that this screen requires a blood draw.
Service/Testing Option Cost
Prostate-Specific Antigen (PSA) test $10*
Blood Draw fee $10 per visit

STD Screening and Sexual Health (By appointment only until further notice.)

*Asterisk indicates that this screen requires a blood draw.
Service/Testing Option Cost
Chlamydia or Gonorrhea urine test $20
Syphilis Screen blood test $12*
HIV Rapid Screen blood test $20*
Hepatitis C Rapid Screen blood test $30*
Pregnancy urine test $5
Blood Draw fee $10 per visit

Additional Services

*Asterisk indicates that this screen requires a blood draw.
Service/Testing Option Cost
Blood Draw fee $10 per visit
Blood pressure examination No charge
Body Mass Index (BMI) analysis No charge