Skip to Content

Department of Health Services

Public Health Regional Laboratory

Clinical Tests

Search for Laboratory Tests

By Methodology
By Test Type

Showing 46 Laboratory Tests

16S Gene Sequencing (Mycobacterial organism identification - SeqStudio)

Identification of mycobacterial organisms by 16S gene sequencing on the SeqStudio analyzer.

Anaplasma phagocytophilum (HGA) Immunofluorescent Assay (IFA)

Anaplasma phagocytophilum is a tick-borne agent that causes an acute febrile illness that often resembles Rocky Mountain spotted fever.

Babesia duncani (WA1) Immunofluorescent Assay (IFA)

Babesia duncani, also known as WA1, causes symptoms similar to those seen in cases of babesiosis caused by Babesia microti. Most of the documented cases have occurred in the Pacific Northwest.

Bacteriology Isolate Identification (Title 17)

For Title 17 - fee applies to Local Health Jurisdiction of submitting facility. Identification of bacteria using selective media, biochemical tests (API-20E), MALDI-TOF, PCR, and antisera agglutination testing.

Blood Parasite Smear (thin smear only)

The identification of malarial parasites (Plasmodium), Babesia, Trypanosoma, and other blood parasites is used to determine treatment and prognosis. Microfilaria can be detected from a Giemsa stain, but this test in not recommended for microfilaria detection. One negative result cannot rule out infection.

Bordetella pertussis holmesii, RT-PCR

This assay detects B. pertussis (causative agent of whooping cough) or B. holmesii DNA by real-time PCR in clinical specimens.

Brucella RT-PCR

This Real Time PCR assay detects Brucella species (including B. abortus, B. canis, B. melitensis, B. suis)

Candida auris, RT-PCR

Candida auris is an emerging fungus that presents a serious global health threat. The organism is often multidrug resistant and can persist in healthcare environment for weeks. The C. auris RT-PCR Assay is a real-time polymerase chain reaction (RT-PCR) test based on the CDC assay parameters.

Chlamydia trachomatis NAAT

This test is used to screen for and diagnose the sexually transmitted infection Chlamydia trachomatis.

Chlamydia trachomatis Neisseria gonorrhoeae NAAT

This test is used to screen for and diagnose the sexually transmitted infections Chlamydia trachomatis and Neisseria gonorrhoeae.

Dengue Virus detection (Types 1-4), RT-PCR

The CDC DENV-1-4 Real-Time RT-PCR Assay is intended for the diagnosis of of dengue virus serotypes 1, 2, 3 or 4 from viral RNA in serum or plasma collected from patients with signs and symptoms consistent with dengue (mild or severe) during the acute phase

Ehrlichia chaffeensis (HME) Immunofluorescent Assay (IFA)

Human Monocytic Ehrlichiosis (HME) is a tick-borne infection caused by Ehrlichia chaffeensis. Infections range in severity from asymptomatic to life-threatening, especially in patients who are immunocompromised.

Enteric Culture (Primary Specimen; Salmonella, Shigella, Shiga-toxin producing Escherichia coli (STEC), Campylobacter, Yersinia, Vibrio, Aeromonas, Plesiomonas)

This test screens for the presence of enteric pathogens (Salmonella, Shigella, Campylobacter, Escherichia coli (STEC), Yersinia, Vibrio, Aeromonas, Plesiomonas) from stool samples.

Enterovirus screen, (includes EV-D68), RT-PCR

A screening assay to detect the presence of all enterovirus types including EV-D68 and poliovirus. EV-D68 is the causative agent for Acute flaccid myelitis (AFM) virus. EV is the causative agent for hand, foot, and mouth disease virus.

Influenza SARS-CoV-2 Multiplex, RT-PCR (CDC assay)

The Influenza SARS-CoV-2 (Flu SC2) Multiplex Assay is for the simultaneous qualitative detection and differentiation of SARS-CoV-2, influenza A virus, and/or influenza B virus nucleic acid in upper or lower respiratory specimens.

Influenza Panel A B, RT-PCR (CDC Diagnostic - FDA approved - reportable to ordering provider)

For qualitative detection of influenza virus type A or B viral ribonucleic acid in upper respiratory tract and lower respiratory tract clininal specimens.

Influenza Panel A subtyping including HPAI (CDC Diagnostic - FDA approved - reportable to ordering provider)

For determination of the subtype of seasonal human influenza A viruses as seasonal A(H3) and/or A(H1)pdm09 from upper respiratory tract clinical specimens and lower respiratory tract clinical specimens.

Lyme Enzyme Linked Immunosorbent Assay IgM IgG

In this algorithm, serum is first tested in an immunoassay measuring combined IgG and IgM antibodies to specific borrelial proteins; if reactive, the sample is then tested in separate Borrelia burgdorferi IgG and IgM immunoassays. This algorithm may be able to assist in the identification of early Lyme disease within the first 30 days of infection.

Lyme IgG ELISA

Confirmatory ELISA, cannot be separately ordered.

Lyme IgM ELISA

Confirmatory ELISA, cannot be separately ordered.

MALDITOF Identification-Bacterial

Bacterial identification using Matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry as the primary identification method.

MALDITOF Identification-Mycobacterial

Identification of mycobacteria using Matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry is the primary identification method.

Measles detection,RT-PCR

The Measles (Rubeola) RT-PCR test is used as the preferred method for detecting measles in patients with compatible symptoms.

Mycobacteria - Smear and Culture

Concentrated smears are stained with auramine/rhodamine and read by fluorescence microscopy, and inoculated into broth-based and/or agar-based culture. Culture is held for eight weeks before negative is reported.

Mycobacteria Isolate Identification (Title 17)

For Title 17 - fee applies to Local Health Jurisdiction of submitting facility. Matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry is the primary identification method. Ancillary testing (ie, 16S gene sequencing, conventional biochemicals) will be employed as required.

Mycobacterium tuberculosis complex Drug Susceptibility Testing (4 first-line drugs)

Mycobacterium tuberculosis complex drug susceptibility testing (pyrazinamide, ethambutol, rifampin, and isoniazid).

Mycobacterium tuberculosis complex, RT-PCR with Rifampin, non-sputum sources (GeneXpert)

Detection and identification of Mycobacterium tuberculosis complex from sputum specimens. Test includes detection of an rpoB gene associated with rifampin resistance.

Mycobacterium tuberculosis complex, RT-PCR with Rifampin, sputum (GeneXpert)

Detection and identification of Mycobacterium tuberculosis complex from sputum specimens. Test includes detection of an rpoB gene associated with rifampin resistance.

Neisseria gonorrhoeae NAAT

This test is used to screen for and diagnose the sexually transmitted infection Neisseria gonorrhoeae.

Non-variola Orthopoxvirus, (MPX virus), RT-PCR

This assay detects Orthopoxvirus DNA by real-time PCR in clinical specimens. This assay does not detect smallpox (variola virus).

Norovirus detection, RT-PCR

The Norovirus RT-PCR Assay is designed to detect both norovirus genotype I (GI) and norovirus II (GII) strains.

Quantiferon Gold Plus

This test is a blood-based interferon-gamma release assay (IGRA) used as an aid in the diagnosis of Mycobacterium tuberculosis infection. It is an immune response-based, indirect test for M tuberculosis infection (including disease) and is intended for use in conjunction with risk assessment, radiography, and other medical and diagnostic evaluations. Additional testing is needed to determine if a person who has tested positive has latent tuberculosis (TB) infection or TB disease.

Respiratory Panel: QIAstat-Dx 20 Pathogen (includes SARS-CoV-2), (NAAT)

A real-time RT-PCR assay for detection and differentiation of respiratory viruses, including SARS-CoV-2, and bacteria from nasopharangeal swabs.

Respiratory Panel: Xpert Xpress SARS-CoV-2 FluAB RSV, (NAAT)

A real-time RT-PCR assay for detection and differentiation of SARS-CoV-2, Influenza A, Influenza B, and RSV in respiratory specimens.

Rickettsia rickettsii Immunofluorescent Assay (IFA)

Intended for the detection and semi-quantitation of human IgG class antibodies to Spotted Fever and Typhus Fever Group rickettsia, as an in vitro aid in the diagnosis of diseases caused by these organisms.

Rickettsia typhi Immunofluorescent Assay (IFA)

Intended for the detection and semi-quantitation of human IgG class antibodies to Spotted Fever and Typhus Fever Group rickettsia, as an in vitro aid in the diagnosis of diseases caused by these organisms.

Salmonella Clearance Culture (Public Health Nursing use only)

Public Health Nursing use only - fee applies to Local Health Jurisdiction of submitting facility. Culture for the presence of Salmonella spp. from stool samples from food and healthcare workers

Shiga Toxin - positive fecal broths (Title 17)

A multiplex real-time PCR assay detecting the presence of DNA from Shiga toxin producing Escherichia coli. Assay specifically detects two Shiga Toxin encoding genes, stx1 and stx2, and the dppD gene which is specific to Escherichia coli.

Shiga Toxin gene detection (STEC), RT-PCR

This test detects Shiga Toxin-producing E. coli (STEC) by multiplex Real-Time PCR.

Shigella Clearance Culture (Public Health Nursing use only)

Public Health Nursing use only - fee applies to Local Health Jurisdiction of submitting facility. Testing for the presence of Shigella spp. from stool samples.

STEC Clearance Culture (Public Health Nursing use only)

Public Health Nursing use only - fee applies to Local Health Jurisdiction of submitting facility. Testing for the presence of Escherichia coli (Shiga-toxin) DNA from stool samples.

Syphilis – TPPA

The TP-PA test is designed to be used as an aid in the confirmation of antibodies to the treponemal organisms that cause syphilis. Other diseases such as yaws or pinta give positive results.

Syphilis – VDRL

This is a non-treponemal screening test for syphilis. False positive results may occur due to systemic lupus erythematosus, leprosy, brucellosis, atypical pneumonia, typhus, yaws, pinta, or pregnancy. Monitoring of RPR is helpful in assessing effectiveness of therapy.

Syphilis – VDRL (Titer)

This is a non-treponemal screening test for syphilis. False positive results may occur due to systemic lupus erythematosus, leprosy, brucellosis, atypical pneumonia, typhus, yaws, pinta, or pregnancy. Monitoring of RPR is helpful in assessing effectiveness of therapy.

Zika, Dengue, & Chikungunya virus detection (CDC Trioplex), RT-PCR

The Trioplex Real-time RT-PCR Assay (Trioplex rRT-PCR) is intended for the qualitative detection and differentiation of RNA from Zika virus, dengue virus, and chikungunya virus in human sera or cerebrospinal fluid (each collected alongside a patientmatched serum specimen), and for the qualitative detection of Zika virus RNA in urine, and amniotic fluid (each collected alongside a patient-matched serum specimen). For use in individuals who meet the Centers for Disease Control and Prevention (CDC) clinical and epidemiological criteria for Zika virus testing. Zika viruses are primarily transmitted by Aedes aegypti and Aedes albopictus mosquitos.

Zika-only virus detection (CDC Trioplex), RT-PCR

The Trioplex Real-time RT-PCR Assay (Trioplex rRT-PCR) is intended for the qualitative detection of Zika virus RNA in urine, and amniotic fluid (each collected alongside a patient-matched serum specimen). For use in individuals who meet the Centers for Disease Control and Prevention (CDC) clinical and epidemiological criteria for Zika virus testing. Zika viruses are primarily transmitted by Aedes aegypti and Aedes albopictus mosquitos.