DHHS → MeCDC → Division of Public Health Systems → HETL → HETL Sections → Microbiological Services → Tests
Microbiological Tests Available at
The Health and Environmental Testing Laboratory
Including: bacteriology, serology, mycobacteriology, mycology, and Virology
(All abbreviations are listed at end of table)
Agent/Disease |
HETL Test |
Preferred Specimen |
Section |
Adenovirus |
Culture isolation, IFA |
Throat, nasopharyngeal, rectal, urine |
VIRO |
Anaerobe |
Identification |
Pure isolate in thioglycolate or other suitable growth medium. Clinical material not recommended. |
BACTI |
Aspergillosis |
Identification |
See mycology |
TB |
Bacteria I.D. |
Identification |
Pure isolate of the unknown |
BACTI |
Bordetella pertussis |
PCR and culture |
Nasopharyngeal swab. Transport |
BACTI |
Campylobacter |
Isolation and I.D. |
Pure isolate or clinical material |
|
Chickenpox |
|
See Varicella zoster |
|
Chlamydia trachomatis |
Amplified DNA probe |
Cervical, urethral, or male and female urine specimens. Transport system provided by HETL. GC testing is done on the same specimen. |
BACTI |
Clostridium difficile |
Identification |
Call for instructions Toxin testing at CDC. |
BACTI |
Clostridium botulinum |
Identification |
Pure isolate, food, stool, vomitus. Toxin testing done at CDC. Call for Instructions. |
BACTI |
Cryptococcosis |
LA |
Latex agglutination test to detect antigen in serum & CSF of cryptococcal meningitis cases |
VIRO |
Cytomegalovirus |
Culture isolation, IFA |
Urine, throat washings, tissue, serum |
VIRO |
Cryptosporidium |
DFA |
Raw Stool in formalin |
BACTI |
Diphtheria |
Isolation and I.D. |
Call for instructions |
BACTI |
Enteric Bacteria |
Isolation and I.D. |
Pure isolate or clinical material |
BACTI |
Escherichia coli |
EIA Shiga toxin, typing. |
Pure isolate or clinical material in Cary-Blair |
|
Enterovirus |
Isolation, IFA |
Throat, rectal, stool, CSF, tissues |
VIRO |
Food Poisoning |
Culture |
Call for instructions. |
BACTI |
Giardia |
DFA |
Raw stool in formalin |
BACTI |
Gonococcal Infections |
See Neisseria gonorrhoeae |
BACTI |
|
Haemophilus |
I.D. and typing |
Pure isolate |
BACTI |
Hepatitis B & C |
EIA |
Serum |
VIRO |
Herpes simplex |
IFA |
Serum, IgG |
VIRO |
Herpes simplex |
Cell culture isolation, DFA |
Vesicle fluid, throat swab |
VIRO |
Herpes zoster |
Cell culture isolation, IFA |
Vesicle fluid |
VIRO |
HIV-1/HIV-2 |
EIA |
Serum, plasma |
VIRO |
HIV-1 |
EIA |
Oral fluid |
VIRO |
HIV-1 |
WB |
Serum, oral fluid |
VIRO |
Influenza A, B |
Isolation, IFA |
Throat, nasopharyngeal, respiratory secretions |
VIRO |
Mumps |
Isolation, IFA |
Throat, Nasopharyngeal, serum, IgG |
VIRO |
Mycobacteriology Mycology |
Smear, culture, |
Sputum, gastric washing, body fluids swab & tissue, bone, urine, special handling, bone marrow & blood |
TB |
Neisseria gonorrhoeae |
Culture |
Pure isolate or direct culture |
BACTI |
Neisseria gonorrhoeae |
Fluorescent antibody microscopy |
FA quality slides. |
BACTI |
Neisseria gonorrhoeae |
Smears: gram stain |
Male urogenital site only . Slides from other sites or females are unsatisfactory. |
BACTI |
Neisseria gonorrhoeae |
Amplified DNA Probe |
Amplified DNA Probe on cervical, urethral, and male and female urine specimens. Transport system provided by HETL. Chlamydia testing is done on the same specimen. |
BACTI |
Neisseria meningitidis |
I.D. and grouping |
Pure isolate. |
BACTI |
Parainfluenza 1,2,3 |
Isolation, IFA |
Throat, nasopharyngeal, respiratory secretions |
VIRO |
Pertussis |
See Bordetella pertussis |
BACTI |
|
Parasite/Protozoa |
No longer routinely provided at HETL. Call for assistance during outbreaks or in identifying unusual parasites. |
BACTI |
|
Toxoplasmosis |
IFA |
See TORCH |
VIRO |
Respiratory syncytial Virus |
Isolation, IFA |
Throat, nasopharyngeal, respiratory secretions |
VIRO |
Rubella |
EIA |
Serum, IgG |
VIRO |
Rubeola |
IFA |
Serum, IgG |
VIRO |
Sal monellas |
Isolate, I.D.& serotyping |
Pure isolate, Clinical material |
BACTI |
Shigellosis |
Isolate, I.D.& serotyping |
Pure isolate, Clinical material |
BACTI |
Staphylococci |
I.D. Call for instructions on phage typing and toxin testing. CDC does not usually do these on single cases. |
BACTI |
|
Syphilis |
RPR screen-confirmation |
Serum Premarital (Out-of State) |
VIRO |
|
VDRL |
Spinal fluid |
VIRO |
TORCH (Toxopla-smosis, Rubella, Cytomegalovirus & HSV ) |
EIA, IFA |
Serum, IgG |
VIRO |
Toxoplasmosis |
IFA |
Serum, IgG |
VIRO |
Tularemia |
Not tested at HETL |
Specimen referred to CDC. Call for instructions. |
BACTI |
Varicella zoster |
IFA and isolation |
Serum, IgG Vesicle fluid or scraping |
VIRO |
Vibrio (Cholera) |
Identification |
Pure Isolate, Clinical material |
BACTI |
Whooping Cough |
|
See Bordetella pertussis |
|
Yersinia |
Isolate and I.D. |
Pure isolate |
BACTI |
Abbreviations:
EIA = Enzyme Linked Immunoassay
HI = Hemagglutination-Inhibition
I.D. = Identification
IFA = Immunofluorescence
LA = Latex Agglutination
TPPA = Microhemagglutination Assay for Antibodies to Treponema Pallidum
RPR = Rapid Plasma Reagin
WB = Western Blot
VDRL = Venereal Disease Research Laboratory