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Tests for Agents Beginning with “E”
The Clinical Guide to Services, from Minnesota’s Infectious Disease Laboratory
The Clinical Guide to Services is a comprehensive reference guide of testing services, shipping information, and submission requirements for Minnesota’s Infectious Disease Laboratory.
Even though there are ongoing efforts to keep information current, some information may not be up to date due to recent changes in testing procedures and/or regulation. Many of these tests are only available with prior approval from the Minnesota Department of Health.
If you cannot find what you are looking for in the guide, please Contact the Infectious Disease Laboratory.
Alphabetical by Agent
A | B | C | D | E | F | G | H | IJK | L | M | N |
O | P | Q | R | S | T | U | V | W | XYZ
| Test Name | Eastern Equine Encephalitis |
| See: Arbovirus Panel | |
| Test Name | Ebola Virus |
| See: BioFire NGDS Warrior Panel | |
| Test Name | Echinococcus granulosus - Antibody Detection |
| See: Parasite Serology | |
| Test Name | Echinococcus granulosus - Detection of Hydatid Elements in Cyst Contents |
| Methodology | Microscopic examination |
| Pre-Approval | None |
| Supplemental Information | Absence of scolices or hooklets in cyst material does not rule out Hydatid disease. |
| Specimen | Cyst material preserved in 10% formalin |
| Shipping | Ship at room temperature. |
| Turnaround | Within 1 working day |
| Test Name | Echovirus |
| See: Enterovirus | |
| Test Name | Encephalitis |
| See: Arbovirus Panel listings, Individual agents | |
| Test Name | Encephalitozoon spp. |
| See: Microsporidia | |
| Test Name | Entamoeba histolytica - Antibody Detection |
| See: Parasite Serology | |
| Test Name | Entamoeba histolytica/dispar - Detection in Clinical Samples |
| Methodology | Formalin ethyl acetate concentration and Trichrome stain |
| Pre-Approval | None |
| Supplemental Information | A minimum of 3 stool specimens collected on alternate days is recommended for diagnosis of intestinal amebiasis. This disease must be reported to MDH as required by State Rule 4605.7040. |
| Specimen | Stool preserved in both formalin and PVA - fill to line (kits are available from MDH) Sigmoidoscopy scrapings or aspirates mixed with an equal volume of PVA Abscess material mixed with an equal volume of PVA |
| Shipping | Ship at room temperature. |
| Turnaround | Within 3 working days |
| Test Name | Entamoeba histolytica/dispar - Identification/Confirmation of Referred Specimen |
| Methodology | Microscopic Examination |
| Pre-Approval | None |
| Supplemental Information | This disease must be reported to MDH as required by State Rule 4605.7040. |
| Specimen | Prepared fecal concentrate Stained or unstained permanent slides |
| Shipping | Ship at room temperature. |
| Turnaround | Not available. |
| Test Name | Enteric Bacterial Culture, Routine - Detection of Bacterial Pathogens in Stool |
| Methodology | Culture Agents Detected: Salmonella spp., Shigella spp., Campylobacter spp., E. coli O157:H7, and Yersinia spp. |
| Pre-Approval | None |
| Supplemental Information | None |
| Specimen | Stool in ParaPak C&S, Modified Carey-Blair or equivalent - fill to line (approximately 5 ml). Unpreserved stool samples must be received within 2 hours of collection. |
| Shipping | Ship preserved samples at room temperature. Transport fresh samples at refrigeration temperature. |
| Turnaround | Negative results are reported within 3-4 working days. Positive results are phoned to the submitter as soon as available. |
| Test Name | Enterobius vermicularis - Detection of Eggs in Clinical Samples |
| Methodology | Microscopic examination |
| Pre-Approval | None |
| Supplemental Information | A minimum of 4-6 specimens collected on consecutive mornings is recommended for diagnosis. Eggs are not reliably found by routine parasite examination of stool. |
| Specimen | Commercial paddle Cellophane tape transferred to a glass slide |
| Shipping | Ship at room temperature. |
| Turnaround | Within 1 working day |
| Test Name | Enterohemorrhagic E. coli (EHEC) |
| See: Escherichia coli, Pathogenic, Escherichia coli O157:H7 | |
| Test Name | Enteropathogenic E. coli (EPEC) |
| See: Escherichia coli, Pathogenic | |
| Test Name | Enterotoxigenic E. coli (ETEC) |
| See: Escherichia coli, Pathogenic | |
| Test Name | Enterovirus - Detection in Clinical Samples |
| Methodology | Culture, Neutralization |
| Pre-Approval | None |
| Supplemental Information | Encephalitis caused by viral agents must be reported to MDH as required by State Rule 4605.7040. |
| Specimen | Throat swab (in viral transport medium) Respiratory fluids (1 ml) including bronchoalveolar lavage, nasal wash, pleural fluid Stool in ParaPak C&S, Modified Carey-Blair or equivalent - fill to line (approximately 5 ml), Raw Stool, Skin vesicle (see Rash Illness Panel) CSF (1 ml) |
| Shipping | Ship at refrigeration temperature. |
| Turnaround | Culture results available within 14 days. 1 month for neutralization typing. |
| Test Name | Enterovirus - Detection of RNA in Clinical Samples |
| See also: Picornavirus | |
| Methodology | PCR |
| Pre-Approval | Contact Infectious Disease Epidemiology Prevention and Control at 651-201-5414 or 877-676-5414 before requesting this test. |
| Supplemental Information | This test is for research use only. Encephalitis caused by viral agents must be reported to MDH as required by State Rule 4605.7040. |
| Specimen | CSF (0.5 ml) Throat swab, dry or in viral transport medium Stool in ParaPak C&S, Modified Carey-Blair or equivalent - fill to line (approximately 5 ml) Skin vesicle (see Rash Illness Panel) |
| Shipping | Ship at refrigeration temperature. |
| Turnaround | Not available |
| Test Name | Enterovirus - Identification/Subtyping of Referred Isolate |
| Methodology | Neutralization/Sequencing |
| Pre-Approval | None |
| Supplemental Information | Encephalitis caused by viral agents must be reported to MDH as required by State Rule 4605.7040. |
| Specimen | Actively growing enterovirus isolate on cell culture |
| Shipping | Ship at refrigeration temperature. |
| Turnaround | Not available |
| Test Name | Escherichia coli K-1 - Antigen Detection |
| See: Meningitis, Bacterial | |
| Test Name | Escherichia coli O157:H7 - Antibody Detection |
| Methodology | None |
| Pre-Approval | None |
| Supplemental Information | Sent to CDC This disease must be reported to MDH as required by State Rule 4605.7040. |
| Specimen | Serum, adults (3 ml) Serum, children (0.5 ml) |
| Shipping | Ship at refrigeration temperature. |
| Turnaround | Not available |
| Test Name | Escherichia coli O157:H7 - Antimicrobial Susceptibility Testing |
| See: Antimicrobial Susceptibility Testing | |
| Test Name | Escherichia coli O157:H7 - Detection in Clinical Samples |
| Methodology | Culture, Immunomagnetic separation |
| Pre-Approval | None |
| Supplemental Information | Included in routine Enteric Bacterial Culture This disease must be reported to MDH as required by State Rule 4605.7040. |
| Specimen | Stool in ParaPak C&S, Modified Carey-Blair or equivalent - fill to line (approximately 5 ml). Unpreserved stool samples must be received within 2 hours of collection. |
| Shipping | Ship preserved samples at room temperature. Transport fresh samples at refrigeration temperature. |
| Turnaround | Negative results are available within 2-4 working days. Positive results are phoned to submitter as soon as available |
| Test Name | Escherichia coli O157:H7 - Identification/Confirmation of Referred Isolate |
| Methodology | Biochemical testing, Serotyping |
| Pre-Approval | None |
| Supplemental Information | This disease is reportable. Isolates must be submitted to MDH as required by State Rule 4605.7040. |
| Specimen | Actively growing pure culture on suitable medium |
| Shipping | Ship at room temperature. |
| Turnaround | Identification from pure culture available within 4-6 working days |
| Test Name | Escherichia coli O157:H7 - Molecular Subtyping |
| See: Pulsed-Field Gel Electrophoresis | |
| Test Name | Escherichia coli, Pathogenic - Detection/Identification/Confirmation |
| Methodology | Culture, biochemical testing, serotyping, PCR |
| Pre-Approval | Contact laboratory at 651-201-5048 before requesting this test. |
| Supplemental Information | Tests may include PCR (this test is for research use only) |
| Specimen | Appropriate primary isolation plate Actively growing pure culture on suitable medium Stool in ParaPak C&S, Modified Carey-Blair or equivalent - fill to line (approximately 5 ml). Unpreserved stool samples must be received within 2 hours of collection. |
| Shipping | Ship cultures or preserved stool samples at room temperature. Transport fresh stool samples at refrigeration temperature. |
| Turnaround | Not available |