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Xray Imaging

TB - Skin Testing

Convenient Online



Appointment needed - schedule below. 

During your office visit we will set your follow-up appointment.

There is a needle.  Don't worry... we have band aids and a great staff

You need to bring a Photo ID - and smile, it won't be so bad


For TB Skin Testing.


Paramex offers blood QuantiFERON testing in situations of positive TB skin results and history of positives or BCG vaccine.

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TB Exam

Paramex provides $45.00 TB testing for schools, childcare, nursing homes, business, and personal needs in Chico CA.  For your convenience, please use our online scheduler to make an appointment for your TB Skin Testing.  Your second visit will be schedule in person at our office after your TB test is administered.  You do not need to schedule your follow up appointment here.

Frequently Asked Questions
Tuberculosis graph

TB Testing - What is involved

Your doctor will inject a small amount of (PPD) tuberculin purified protein derivative under the surface of your skin on either your right or left forearm.  You will be required to sign a consent form before the testing begins.  You will need to return in two days for us to look at the injection site for any reactions to the (PPD).  For a detailed overview of your testing and TB in general, visit the Center for Disease and Control website.

Are there any side effects?

Patients should immediately report any adverse events caused by the injection such as vesiculation, ulceration or necrosis which may occur at the test site in highly sensitive individuals.  Patients should also be aware that pain and discomfort may occur at the injection site.  Patients who have had adverse side effects to past PPD testing should let their doctor know before taking another PPD skin test.  

Will I need an X-Ray

In cases where patients have a reaction at the injection site, an x-ray may be needed to rule out the possibility of being positive with tuberculosis.  

Patients who have had previous positives on TB Skin Tests should tell their doctor before receiving another Skin Test.  An x-ray will be needed in these cases.  

Patients receiving TB Skin Testing at Paramex who have a need for an x-ray, will be scheduled to receive their x-ray at an off-site location.  Paramex partners with North State Imaging on the Esplanade in Chico CA. 

I'm Pregnant - should I take this test?

Tell your doctor if you are pregnant before receiving a TB skin test.  There is a greater risk to a pregnant woman and her baby if TB disease is not diagnosed and treated.

It is important to know that some PPD testing brands have not been tested in pregnancy trials and cannot guarantee the product will not have adverse effects on your baby.  Paramex uses APLISOL purified protein derivative for its TB skin testing and reccommends by the BRAND to only give to a pregnant woman if clearly needed. 


- TB skin testing is considered both valid and safe throughout pregnancy by the CDC. TB blood tests also are safe to use during pregnancy, but have not been evaluated for diagnosing TB infection in pregnant women. . Other tests are needed to show if a person has TB disease.  

           -  Center for Disease and Control

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Didn't see your question?  530-895-3203

Frequently asked questions...


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