We offer both Molecular and Antibody Tests
COVID-19 Testing Options
Molecular Test (Swab)
Diagnose active SARS-CoV-2 infection
Diagnostic tests such as molecular (PCR) and antigen tests can show if you have an active COVID-19 infection. These tests detect current infection and are generally collected from a nasal sample.
- Molecular (PCR)
- Rapid Antigen
Antibody Test (Blood)
Detect immune response to SARS-CoV-2 exposure
Antibody tests look for antibodies in your immune system produced in response to SARS-CoV-2. Antibody tests should not be used to diagnose an active infection. These tests can help identify patients with a prior infection and are collected from a blood sample.
- Qualitative Antibody
- Semi-Quantitive Antibody
| Test Name | AMPIPROBE © SARS-CoV-2 | SARS-COV-2 Rapid Antigen | SARS-CoV-2 IgG AB | SARS-CoV-2 IgG II |
| Test Number | 9902 | 9922 | 9905 | 9955 |
| CPT Code | U0004 | 87811 | 86769 | 86769 |
| Intended Use | Real-time RT PCR qualitative detection of SARS-CoV-2 from viral RNA which detects known variants | Lateral flow immunoassay for the qualitative detection of nucleocapsid protein antigen from SARS-CoV-2 | Qualitative detection of IgG antibodies to SARS-CoV-2 |
Semi-quantitative detection of IgG antibodies to SARS-CoV-2 |
| Sample Type | Nasopharyngeal (NP) or mid-turbinate swab in viral transport media (VTM | Nasal Swab | Serum | Plasma |
| Turnaround Time | 1-2 Days | 15-30 minutes | 1-3 Days | 1-3 Days |
| Test Type | Molecular (PCR) | Rapid Antigen | Qualitative Antibody | Semi-quantitative Antibody |
Molecular PCR vs Rapid Antigen Testing
Both molecular (PCR) and rapid antigen tests detect an active infection using a nasal swab.
Molecular (PCR) tests are the gold standard for virus detection and have higher accuracy than rapid antigen tests.
Rapid Antigen tests are less sensitive than molecular (PCR) tests. They have the best accuracy within seven (7) days of symptoms.
For patients with COVID-19 symptoms, an active infection test such as molecular (PCR) or rapid antigen is recommended. A molecular (PCR) test is recommended for confirmation if symptomatic, and a rapid test is negative.
Qualitative vs Semi-quantitative Antibody Testing
Qualitative testing provides a simple “Yes or No” answer to whether or not antibodies are present.
Semi-quantitative testing also determines “if” antibodies are present, but identifies “how much” by measuring the level of antibodies present.
Typically, semi-quantitative tests are traceable to a specific international standard that ensures the result produced correlates to a numeric quantity of antibodies. However, due to the lack of knowledge about SAR-CoV-2, there currently is no international standard for SAR-CoV-2 semi-quantitative testing. Values obtained from different kits or laboratories should not be used interchangeably. It is important to note that detecting antibodies is not currently a reliable indicator of immunity to repeat or future infections.
Molecular Test Fact Sheet for Providers
Rapid Antigen Fact Sheet for Providers
Serological Test (Qualitative) Fact Sheet for Providers
Serological Test (Semi-Quantitative) Fact Sheet for Providers
Special instructions for Enzo Patient Service Centers
At this time, Enzo collects molecular specimens (nasal swabs) at selected Patient Service Centers. Alternatively, the specimen can be collected by your doctor and sent to Enzo using standard procedures.
For the antibody test, you can visit one of our dedicated Patient Service Centers.
Collecting Samples Yourself?
We are also accepting tests collected in your office.
Click to download the collection guidelinesImportant Information for Healthcare Providers
- Enzo offers COVID-19 testing for Molecular PCR (Swab), Rapid Antigen (Swab) and Serology (Blood).
- Providers may refer patients to selected Patient Service Centers (PSCs) for molecular, rapid antigen, and serological (antibody) tests. Alternatively, samples can be collected at the physician practice, selected Patient Service Centers. All testing requires a prescription by a physician .
- Providers should review the CDC website or contact their public health authority for information to guide their patient management and lab testing for COVID-19.
FAQs
Patients with COVID-19 have had mild to severe respiratory illness with the following symptoms:
- Fever or chills
- Cough
- Shortness of breath or difficulty breathing
- Fatigue
- Muscle or body aches
- Headache
- New loss of taste or smell
- Sore throat
- Congestion or runny nose
- Nausea or vomiting
- Diarrhea
Patients suspected of currently having COVID-19 should get tested for the molecular and/or rapid antigen tests.
Patients who have been previously been confirmed positive for COVID-19 or patients who think they may have previously had COVID-19 and have recovered should get tested for the antibody tests.
Molecular Test
Test Name: AMPIPROBE® SARS-CoV-2 RNA RT PCR
Test code: 9902
Rapid Antigen Test
Test Name: SARS-COV-2 Rapid Antigen
Test code: 9922
Serological Tests
Test Name: SARS-CoV-2 IgG Ab ELISA
Test code: 9905
Test Name: SARS-CoV-2IgG II
Test code: 9955
Real-time RT PCR qualitative detection of SARS-CoV-2 from viral RNA which detects known variants. It is designed to determine if an individual is actively infected with COVID-19 and may spread it to others.
This test is intended for the qualitative detection of antigens from COVID-19 collected from direct nasal swabs. It is designed to determine if an individual is actively infected with COVID-19 and may spread it to others.
Qualitative detection of IgG antibodies to SARS-CoV-2. It identifies the presence of antibodies, indicating recent or prior infection. It is not intended to diagnose or exclude recent SARS-CoV-2 infection.
Semi-qualitative detection of IgG antibodies to SARS-CoV-2 in blood samples using ELISA-based technology. It identifies the presence of antibodies, indicating recent or prior infection. It is not intended to diagnose or exclude recent SARS-CoV-2 infection.
Serological Test (Semi-Quantitative) Fact Sheet for Providers
For molecular tests, most results will be available in 24-72 hours from the time of specimen pickup.
For rapid antigen tests, we expect results to be available 15-30 minutes from the time of collection.
For antibody testing, most results will be available 24-72 hours from the time of specimen pickup.
Please note, timing may be impacted by high demand.
Yes. Enzo does collect specimens from patients at Patient Service Centers for serology (antibody) testing and at select patient service centers for molecular and rapid antigen testing.
For molecular testing, please send nasopharyngeal (NP) or midturbinate samples directly to Enzo Clinical Labs. Prescription required. Please call +1(800) 371-3227 to schedule a pick up.
Yes. Specimens collected at physicians’ offices, clinics or hospitals will be processed as normal regardless of COVID-19 diagnoses.
DISCLAIMER: This information has been provided for informational purposes only and is based on CDC’s most recent recommendations, dated December 27, 2021. While every effort is made to keep the information on this website current, the CDC’s recommendations are subject to change at any time, and there may be differences between CDC’s then-current recommendations and what appears on this webpage. Please consult your treating health care professional, the CDC website, and applicable local state health authorities for more information.