ZRT LABORATORY LLC
NPI 1740356872
Clinical Medical Laboratory in Beaverton, OR

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Amino acid level, 6 or more amino acids, quantitative, each specimen

This test measures the levels of 6 or more specific amino acids in your body. Amino acids are vital for various bodily functions, including building proteins and regulating immune response. The test involves analyzing a sample, usually blood or urine, to ensure your body has the right balance for optimal health.

This service was performed 77 times for 72 patients

Androstanediol glucuronide (hormone) level

Androstanediol glucuronide level is a test that measures the amount of a specific hormone in your body. This hormone is important for various functions in the body. The test helps doctors assess your hormonal balance and monitor certain health conditions.

This service was performed 23 times for 23 patients

Androstenedione (hormone) level

The Androstenedione level test is a simple blood test that checks the amount of a hormone called Androstenedione in your body. This hormone plays a key role in developing certain physical characteristics during puberty and is important for overall health.

This service was performed 27 times for 27 patients

Androsterone (hormone) level

Androsterone level refers to a test that measures the amount of a specific hormone in your body. This hormone plays a crucial role in maintaining balance in the body's systems. Changes in its level may indicate various health conditions.

This service was performed 13 times for 13 patients

Arsenic level

An arsenic level test measures the amount of arsenic in your body. Arsenic is a naturally occurring element that can be harmful in large amounts. It's often found in soil, water, and food. The test helps determine if you've been exposed to high levels of arsenic.

This service was performed 37 times for 35 patients

Blood test, lipids (cholesterol and triglycerides)

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

This service was performed 31 times for 29 patients

Blood test, thyroid stimulating hormone (tsh)

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

This service was performed 131 times for 114 patients

Cadmium level

A Cadmium Level test is a simple blood or urine test that measures the amount of cadmium, a type of metal, in your body. It's used to check for exposure to cadmium, which can cause health problems if levels are too high.

This service was performed 60 times for 54 patients

Chemical analysis using chromatography technique

Chromatography is a lab technique used to separate mixtures. It helps identify substances within a sample. In simple terms, think of it as a race where different substances move at different speeds, allowing them to be identified and studied.

This service was performed 253 times for 86 patients

Chemical analysis using spectrophotometry (light)

Spectrophotometry is a scientific method used to measure how much a chemical substance absorbs light. This helps in identifying and determining the concentration of that substance in a sample. It's non-invasive, accurate, and used in various medical tests.

This service was performed 80 times for 41 patients

Copper level

A copper level test is a simple blood test that measures the amount of copper in your body. Copper is a necessary mineral that aids in nerve function, bone growth, and the production of red blood cells. However, too much or too little can lead to health issues. This test helps monitor and diagnose these conditions.

This service was performed 41 times for 37 patients

Corticosterone (hormone) level

A Corticosterone level test measures the amount of corticosterone, a hormone produced by your adrenal glands, in your body. This hormone helps regulate energy, immune response, and stress levels. Abnormal levels may indicate certain health conditions.

This service was performed 13 times for 13 patients

Cortisol (hormone) measurement, free

Cortisol is a hormone that your body produces in response to stress. A "free cortisol" measurement is a test that checks the level of this hormone in your body. This test helps in diagnosing conditions related to stress and hormone imbalance.

This service was performed 204 times for 47 patients

Cortisol (hormone) measurement, total

Cortisol measurement is a test that checks the level of cortisol, a hormone, in your body. It's often used to assess stress levels or check for conditions like Addison's disease or Cushing's syndrome. This involves a simple blood or saliva sample.

This service was performed 550 times for 465 patients

Creatinine level to test for kidney function or muscle injury

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

This service was performed 254 times for 140 patients

Dehydroepiandrosterone (dhea) hormone level

Dehydroepiandrosterone (DHEA) hormone level test measures the amount of DHEA in your body. DHEA is a hormone produced by your adrenal glands. This test helps assess whether these glands are functioning properly. It assists in understanding various health conditions and managing overall well-being.

This service was performed 27 times for 27 patients

Dehydroepiandrosterone (dhea-s) hormone level

The Dehydroepiandrosterone (DHEA-S) hormone level test is a blood test that checks the amount of a natural steroid hormone in your body. This hormone helps in managing stress and maintaining overall health. Any imbalance can lead to various health issues.

This service was performed 564 times for 484 patients

Desoxycorticosterone, 11 (hormone) level

Desoxycorticosterone, 11 is a hormone that helps regulate your body's balance of salt and water. Measuring its level is important to determine how well your adrenal glands are functioning. If the levels are too high or too low, it may indicate a health issue.

This service was performed 13 times for 13 patients

Estriol (hormone) level

The Estriol Level test measures the amount of a hormone called estriol in your body. This hormone is produced when your body is in a certain state. High or low levels can indicate if your body is functioning properly.

This service was performed 50 times for 49 patients

Estrone (hormone) level

The Estrone level test measures the amount of a specific hormone in your body. This hormone plays a vital role in various body functions. It's a simple blood test, similar to other routine tests. The results can help understand your body's hormone balance.

This service was performed 18 times for 18 patients

Etiocholanolone (testosterone byproduct) level

The Etiocholanolone level test is a procedure used to measure the amount of a specific hormone byproduct in your body. This hormone byproduct is linked to energy levels, mood, and overall well-being. The test helps in understanding your body's hormone balance.

This service was performed 13 times for 13 patients

Gonadotropin, follicle stimulating (reproductive hormone) level

This is a test that measures the level of a hormone in your body known as follicle stimulating hormone (FSH). FSH plays a key role in the body's reproductive processes. It's important for growth and the healthy functioning of the body.

This service was performed 12 times for 11 patients

Hemoglobin a1c level

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

This service was performed 14 times for 13 patients

Histamine (immune system substance) level

A Histamine level test measures the amount of histamine in your blood. Histamine, produced by your immune system, plays a role in allergic reactions and inflammation. High levels may indicate an allergic reaction or certain types of diseases.

This service was performed 76 times for 71 patients

Homovanillic acid (organic acid) level

A Homovanillic Acid Level test evaluates the amount of homovanillic acid, a dopamine breakdown product, in your body. It helps doctors check for conditions affecting dopamine levels, like certain neurological disorders. It's a simple urine test and doesn't cause discomfort.

This service was performed 76 times for 71 patients

Hydroxyindolacetic acid (product of metabolism) level

The Hydroxyindolacetic Acid (HIAA) level test measures the amount of HIAA, a product of metabolism, in your body. This test helps in identifying conditions related to the production of serotonin, a hormone that regulates mood, appetite, and sleep. High levels might indicate specific health issues.

This service was performed 76 times for 71 patients

Hydroxyprogesterone, 17-d (synthetic hormone) level

Hydroxyprogesterone, 17-d level is a test to measure the amount of a specific hormone in your body. This hormone plays a key role in many body functions. Too much or too little can impact your health. The test helps health professionals monitor and manage your overall well-being.

This service was performed 13 times for 13 patients

Insulin measurement, total

Insulin measurement, total, is a blood test that checks the amount of insulin — a hormone regulating blood sugar — in your body. It helps diagnose diabetes and other conditions related to insulin. The test involves a simple blood draw and is generally safe and quick.

This service was performed 51 times for 44 patients

Lithium level

A lithium level test is a lab procedure that measures the amount of lithium, a medication often used to treat mental health conditions like bipolar disorder, in your blood. This helps ensure the drug is at a safe and effective level for treatment.

This service was performed 37 times for 35 patients

Magnesium level

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

This service was performed 24 times for 20 patients

Measurement c-reactive protein for detection of infection or inflammation, high sensitivity

The high sensitivity C-reactive protein test is a blood test that helps detect low levels of inflammation in the body. It's often used to assess the risk of heart disease but can also indicate infection or other inflammatory conditions.

This service was performed 51 times for 43 patients

Measurement of dihydrotestosterone

Dihydrotestosterone measurement is a type of blood test that checks the level of a particular hormone in your body. This hormone is important for various body functions. The test helps doctors to understand your hormonal health better.

This service was performed 27 times for 27 patients

Measurement of total estradiol (hormone)

Total estradiol measurement is a simple blood test that examines the level of a key hormone in your body. This hormone plays a vital role in many body functions. The test helps understand if hormone levels are balanced, which can impact overall health.

This service was performed 726 times for 589 patients

Mercury level

A mercury level test is a simple blood or urine test performed to measure the amount of mercury in your body. It's primarily used to detect mercury poisoning, which can occur from exposure to too much mercury, often from seafood or certain industrial environments.

This service was performed 78 times for 62 patients

Metanephrines level

A Metanephrines test measures the levels of certain hormones in your blood, produced by your adrenal glands. It's often used to detect tumors in these glands. The test involves a simple blood draw and usually requires some preparation, like fasting.

This service was performed 77 times for 72 patients

Microsomal antibodies (autoantibody) measurement

Microsomal antibodies measurement is a blood test to detect specific antibodies that your immune system may produce. It's often used to diagnose autoimmune conditions like thyroid disorders. The test is simple, involving a standard blood draw.

This service was performed 140 times for 124 patients

Organic acid level

An Organic Acid Level test measures the amount of organic acids in your body. These are substances involved in numerous bodily functions, including energy production and detoxification. Abnormal levels may indicate metabolic disorders. The test involves a simple urine sample.

This service was performed 152 times for 71 patients

Pregnanediol (reproductive hormone) level

A Pregnanediol level test measures a specific hormone in your body that can indicate how well certain body functions are working. It's often used to monitor health during certain times of life. The test involves a simple urine sample.

This service was performed 11 times for 11 patients

Pregnenolone (reproductive hormone) level

A Pregnenolone level test measures the amount of pregnenolone, a key hormone in the body, in your blood. This hormone plays a vital role in the creation of other important hormones. It helps doctors understand your hormone balance.

This service was performed 27 times for 27 patients

Progesterone (reproductive hormone) level

A progesterone level test measures the amount of progesterone, a hormone, in your body. It plays a key role in preparing the body for pregnancy and maintaining it. The test can help assess overall hormonal health and aid in diagnosing certain conditions.

This service was performed 686 times for 553 patients

Selenium (vitamin) level

A Selenium level test measures the amount of selenium, a vital nutrient, in your blood. It helps assess your nutritional status and can detect a deficiency or excess. Selenium plays a key role in metabolism and thyroid function. The test involves a simple blood draw.

This service was performed 78 times for 62 patients

Serotonin (hormone) level

A serotonin level test measures the amount of serotonin in your blood. Serotonin is a chemical your body produces that's needed for your nerve cells and brain to function. It's often referred to as the "happy hormone" because it contributes to wellbeing and happiness.

This service was performed 76 times for 71 patients

Sex hormone binding globulin (protein) level

Sex hormone binding globulin (SHBG) level is a blood test that measures a specific protein in your body. This protein helps regulate certain hormones. If these hormone levels are too high or too low, it may cause health issues. The test helps assess hormone-related conditions.

This service was performed 527 times for 456 patients

Testosterone (hormone) level, total

A total testosterone level test measures the amount of a key hormone in your body. This hormone influences various body functions such as muscle mass, energy levels, and mood. The test involves a simple blood draw, and results help monitor health conditions.

This service was performed 743 times for 605 patients

Thyroid hormone, t3 measurement, free

The T3 measurement, free, is a blood test that checks the level of a hormone called triiodothyronine. This hormone is produced by your thyroid, a small gland in your neck. It plays a key role in regulating your body's metabolism and energy use.

This service was performed 148 times for 131 patients

Thyroxine (thyroid chemical), free

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

This service was performed 129 times for 113 patients

Tyrosine (amino acid) level

A Tyrosine level test measures the amount of Tyrosine, an essential amino acid, in your blood. It's crucial for protein production and brain function. Abnormal levels may indicate a metabolic disorder. This test is simple and involves a standard blood draw.

This service was performed 76 times for 71 patients

Urine vanillylmandelic acid

Urine vanillylmandelic acid (VMA) is a test that measures the amount of VMA, a substance that certain cells produce, in your urine. It helps in detecting conditions related to these cells. You'll provide a urine sample, which will be analyzed in a lab.

This service was performed 76 times for 71 patients

Vitamin d-3 level

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

This service was performed 25 times for 22 patients

Zinc level

A Zinc Level test measures the amount of zinc in your blood. Zinc is an essential nutrient that helps support your immune system and metabolism function. Low or high levels can indicate nutritional issues, liver disease, or other medical conditions. It's a simple blood test.

This service was performed 41 times for 37 patients

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number

38D0960950

Facility Type

Independent

Certificate Effective Date

November 12, 2025

Certificate Expiration Date

November 11, 2027

Laboratory Director

DAVID T. ZAVA

Certificate Type

Certificate of Compliance

Certificate Type Description

This CLIA certificate is issued to Zrt Laboratory Llc after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

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