Disease/Event | Pathogen/Organism | Time* | Reporter1 | Specimen Source(s)2 | Send Clinical Material3 |
Acinetobacter baumannii, carbapenem-resistant (CRAB)4 | Carbapenem-resistant Acinetobacter baumannii (species in the A.baumannii complex, e.g., A. baumanii, A. calcoaceticus, A. lactucae, A. nosocomialis, A. pittii, A. seifertii, etc.) | 4 days | L | All | Required |
Acute flaccid myelitis | 4 days | P | Upon request | ||
Amebae, free-living | Acanthamoeba spp. (excluding keratitis), Balamuthia mandrillaris, Naegleria fowleri | 4 days | L & P | All | Required |
Animal bites and exposures 5,6 Bites: by dogs, cats, bats, skunks, foxes, raccoons, coyotes, or other wild carnivores Exposures: any bat exposure | 24 hrs | P | Not applicable | ||
Animal bites by mammals not listed above5 | 4 days | P | Not applicable | ||
Anthrax5 | Bacillus anthracis | Immed | L & P | All | Required |
Arboviral Disease | Eastern equine encephalitis, Japanese encephalitis, LaCrosse encephalitis virus, California encephalitis serogroup, Powassan virus, St. Louis encephalitis virus and Western equine encephalitis virus | 4 days | L | All | Upon request |
Bioterrorism agent or incident, known or suspected | Any pathogen | Immed | L & P | All | Required |
Blastomycosis | Blastomyces species | 4 days | L & P | All | Upon request |
Botulism5 | Clostridium botulinum | Immed | L & P | All | Upon request |
Brucellosis5 | Brucella species | 4 days | L & P | All | Required |
Campylobacteriosis | Campylobacter species | 4 days | L & P | All | Upon request |
Candida auris7 | Candida auris | 1 working day | L & P | All | Required |
Candidemia8-Metro | Candida species | 30 days | L | Blood | Upon request |
Carbapenemase-producing organisms9 | Positive phenotypic test for carbapenemase production or detection of a carbapenemase gene | 1 working day | L | All | Required |
Chagas disease | Trypanosoma cruzi | 4 days | L & P | All | Upon request |
Chancroid | Haemophilus ducreyi | 4 days | L & P | All | Upon request |
Chikungunya | Chikungunya virus | 4 days | L | All | Upon request |
Chlamydia, any site | Chlamydia trachomatis | 4 days | L & P | All | Upon request |
Cholera5 | Vibrio cholerae | Immed | L & P | All | Required |
Creutzfeld-Jakob Disease (CJD) and other transmissible spongiform encephalopathies (TSEs)5 | 4 days | P | All | Upon request | |
Clostridioides difficile8-Metro 10 | Clostridioides difficile | 30 days | L | All | Upon request |
Coccidioidomycosis | Coccidioides species | 4 days | L & P | All | Upon request |
Colorado tick fever | Colorado tick fever virus | 4 days | L | All | Upon request |
COVID-1911 | * SARS-CoV-2 (positive molecular and rapid antigen tests) * Lineage or sequencing results | 4 days | L (ELR only) | All | Upon request |
COVID-19-associated deaths, all ages | SARS-CoV-2 | 4 days | P | Upon request | |
COVID-19-associated hospitalization | SARS-CoV-2 | 4 days | L & P | All | Upon request |
Coronavirus - severe or novel | Severe Acute Respiratory Syndrome coronavirus (SARS-CoV), Middle East Respiratory Syndrome coronavirus, (MERS-CoV) or other severe or novel coronavirus other than SARS-CoV-2 | Immed | L & P | All | Upon request |
Cronobacter invasive infections if <1 year of age | Cronobacter species (including C. sakazakii, C. malonaticus) | 4 days | L & P | All | Required |
Cryptosporidiosis | Cryptosporidium species | 4 days | L & P | All | Upon request |
Cyclosporiasis | Cyclospora species | 4 days | L & P | All | Upon request |
Congenital cytomegalovirus (CMV) if <1 year of age | Cytomegalovirus (positive results) | 4 days | L & P | All | Upon request |
Congenital cytomegalovirus (CMV) if <1 year of age | CMV DNA by NAAT or culture (negative results) | 4 days | L (ELR only) | Urine | Upon request |
Dengue | Dengue virus | 4 days | L | All | Upon request |
Diphtheria5 | Corynebacterium diphtheriae | Immed | L & P | All | Required |
Encephalitis5 | 4 days | P | All | Upon request | |
Enterobacterales, carbapenem-resistant (CRE)12 | Carbapenem-resistant Enterobacterales including, but not limited to, Escherichia species, Klebsiella species, Enterobacter species Citrobacterspecies, Serratia species, Raoultella species, Providencia species, Proteus species, Morganella species | 4 days | L | All | Required |
Enterobacterales, extended-spectrum beta-lactamase (ESBL)8-Boulder,13 | Escherichia species, Klebsiella species. Raoultella species | 30 days | L | All | Upon request |
Escherichia species, coli invasive infections8-Boulder | Escherichia species | 30 days | L | Sterile only | Upon request |
Escherichia coli O157:H7 and Shiga toxin-producing Escherichia coli | Shiga toxin-producing Escherichia coli14 | 4 days | L & P | All | Required |
Giardiasis | Giardia lamblia | 4 days | L & P | All | Upon request |
Glanders | Burkholderia mallei | 1 working day | L & P | All | Upon request |
Gonorrhea, any site, including disseminated gonorrhea | Neisseria gonorrhoeae | 4 days | L & P | All | Upon request |
Group A streptococci15,8-Metro | Streptococcus pyogenes | 4 days | L | Sterile only | Required |
Group B streptococci8-Metro | Streptococcus agalactiae | 30 days | L | Sterile only | Required |
Haemophilus influenza | Haemophilus influenzae | 1 working day | L & P | Sterile only | Required |
Hantavirus disease5 | Hantavirus | 4 days | L & P | All | Upon request |
Healthcare-associated infections16 | 30 days | P | Not applicable | ||
Hemolytic uremic syndrome if <18 years of age5 | 4 days | P | Upon request | ||
Hepatitis A5 | * Hepatitis A virus (+IgM anti-HAV, +PCR or +NAAT) * Liver function test values for AST, ALT, and total bilirubin that were performed at or closest to the time of the positive hepatitis A result | 1 working day | L & P | All | Upon request |
Hepatitis B | * Hepatitis B virus (+HBsAg, +IgM anti-HBc, +HBeAg, or +HBV DNA) * Liver function test values for AST, ALT, and total bilirubin that were performed at or closest to the time of the positive hepatitis B result | 4 days | L & P | All | Upon request |
Hepatitis B | Hepatitis B virus (negative HBsAg, negative HBV DNA, and/or negative confirmatory assays) | 4 days | L (ELR only) | All | Upon request |
Hepatitis B in children <3 years of age | HBsAg and anti-HBs positive, negative, and inconclusive lab results | 4 days | L | All | Upon request |
Hepatitis C17 | * Hepatitis C virus (+ serum antibody titer and/or + confirmatory assays) * Liver function test values for AST, ALT, and total bilirubin that were performed at or closest to the time of the positive hepatitis C result | 4 days | L & P | All | Upon request |
Hepatitis C17 | Hepatitis C virus (negative HCV antibody, negative confirmatory assays) | 4 days | L (ELR only) | All | Upon request |
Hepatitis D | Hepatitis D virus (+anti-HDV IgM, +anti-HDV total, +HDAg, +HDV DNA, or +HDV RNA) | 4 days | L & P | All | Upon request |
Hepatitis, other viral | * Positive results * Liver function test values for AST, ALT, and total bilirubin | 4 days | P | Upon request | |
Histoplasmosis | Histoplasma species | 4 days | L & P | All | Upon request |
Human immunodeficiency virus (HIV)/ acquired immunodeficiency syndrome (AIDS) | * Human immunodeficiency virus * CD4 counts (any value) * HIV viral load (any value) * HIV genotype | 4 days | * L & P * L & P * L & P * L | All | Upon request |
Influenza11 | * Influenza virus (positive molecular and rapid antigen tests) * Lineage or sequencing results | 4 days | L (ELR only) | All | Upon request |
Influenza-associated death if <18 years of age | Influenza virus | 4 days | P | All | Upon request |
Influenza-associated hospitalization | Influenza virus | 4 days | L & P | All | Upon request |
Influenza - novel | Influenza virus | Immed | L & P | All | Upon request |
Legionellosis18 | Legionella species | 4 days | L & P | All | Required for all respiratory specimens |
Leprosy (Hansen's Disease) | Mycobacterium leprae | 4 days | P | All | Upon request |
Listeriosis | Listeria monocytogenes | 4 days | L & P | All | Required |
Lyme disease | Borrelia burgdorferi | 4 days | L & P | All | Upon request |
Lymphogranuloma venereum (LGV) | Chlamydia trachomatis | 4 days | L & P | All | Upon request |
Malaria5 | Plasmodium species | 4 days | L & P | All | Upon request |
Measles (rubeola)5 | Measles virus | Immed | L & P | All | Upon request |
Melioidosis | Burkholderia pseudomallei | 1 working day | L & P | All | Upon request |
Meningococcal disease5 | Neisseria meningitidis or gram-negative diplococci | Immed | L & P | Sterile only | Required |
Methicillin-Resistant Staphylococcus aureus (MRSA) bacteremia19 | Methicillin-Resistant Staphylococcus aureus (MRSA) | Per CMS17 | P | Blood | Not applicable |
Mpox (monkeypox) | Mpox virus (orthopox virus) | 1 working day | L & P | All | Upon request |
Multisystem Inflammatory Syndrome in Children (MIS-C) if <21 years | 4 days | P | Upon request | ||
Mumps5 | Mumps virus (acute infection) | 4 days | L & P | All | Upon request |
Mycobacterium, nontuberculous (NTM) 8-Metro | Mycobacterium species (except tuberculosis complex, M. leprae, and M. gordonae) | 30 days | L | All | Upon request |
Outbreaks - known or suspected of all types - including those transmitted from food, water, animals, vectors, environmental contamination, person-to-person, and related to a healthcare setting5 | Any pathogen | Immed | L & P | Upon request | |
Pertussis (whooping cough)5 | Bordatella pertussis | 1 working day | L & P | All | Upon request |
Plague5 | Yersinia pestis | Immed | L & P | All | Required |
Poliomyelitis5 | Poliovirus | Immed | L & P | All | Upon request |
Pseudomonas, carbapenem-resistant20 | Pseudomonas aeruginosa | 4 days | L | All | Upon request |
Psittacosis | Chlamydia psittaci | 4 days | L & P | All | Upon request |
Q fever5 | Coxiella burnetii | 4 days | L & P | All | Upon request |
Rabies: human (suspected)5 | Rabies virus (Lyssavirus) | Immed | L & P | All | Upon request |
Respiratory syncytial virus (RSV)11 | * Respiratory syncytial virus (positive molecular and rapid antigen tests) * Lineage or sequencing results | 4 days | L (ELR only) | All | Upon request |
Respiratory syncytial virus (RSV)-associated death if <18 years | Respiratory syncytial virus | 4 days | P | All | Upon request |
Respiratory syncytial virus (RSV)-associated hospitalizations | Respiratory syncytial virus | 4 days | L & P | All | Upon request |
Rickettsiosis | Rickettsia species, including Rocky Mountain spotted fever and typhus groups | 4 days | L & P | All | Upon request |
Rubella (acute infection)5 | Rubella virus | 1 working day | L & P | All | Upon request |
Rubella (congenital)5 | Rubella virus | 4 days | L & P | All | Upon request |
Salmonellosis | Salmonella species | 4 days | L & P | All | Required |
Shigellosis | Shigella species | 4 days | L & P | All | Required |
Smallpox5 | Variola virus (Orthopox virus) | Immed | L & P | All | Upon request |
Staphylococcus aureus, Vancomycin-non-susceptible21 | Vancomycin non-susceptible Staphylococcus aureus | 4 days | L | All | Required |
Streptococcus pneumoniae22 | Streptococcus pneumonia | 4 days | L | Sterile only | Required |
Syphilis5, 23 | Treponema pallidum (positive results) | 1 working day | L & P | All | Upon request |
Syphilis5, 23 | Treponema pallidum (negative results) | 1 working day | L (ELR only) | All | Upon request |
Tetanus5 | Clostridium tetani | 4 days | P | All | Upon request |
Tick-borne relapsing fever5 | Borrelia species and spirochetemia except burgdorferi species | 4 days | L & P | All | Upon request |
Toxic shock syndrome22 (streptococcal and non-streptococcal) | Streptococcus pyogenes and non-streptococcal bacteria | 4 days | P | All | Upon request |
Trichinosis5 | Trichinella species | 4 days | P | All | Upon request |
Tuberculosis disease (active)5 | Mycobacterium tuberculosis24 | 1 working day | L & P | All | Required |
Tuberculosis immune reactivity indicated by a positive interferon gamma release assay test (IGRA) | Mycobacterium tuberculosis25 | 4 days | L (ELR only) | All | Not Required |
Tularemia5 | Francisella tularensis | 1 working day | L & P | All | Required |
Typhoid fever5 | Salmonella Typhi | 1 working day | L & P | All | Required |
Varicella (chicken pox)5 | Varicella virus | 4 days | L & P | All | Upon request |
Vibriosis | Vibrio species, non-cholera | 4 days | L | All | Required |
Viral hemorrhagic fever | Crimean-Congo hemorrhagic virus, Ebola virus, Lassa fever virus, Lujo virus, Marburg virus, Guanarito virus, Junin virus, Machupo virus, Sabia virus, Rift Valley fever | Immed | L & P | All | Required |
West Nile virus (acute infection) | West Nile virus | 4 days | L | All | Upon request |
Yellow fever | Yellow fever virus | 4 days | L | All | Upon request |
Yersiniosis8-Seven | Yersinia non-pestis species | 4 days | L | All | Required |
Zika virus | Zika virus | 4 days | L | All | Upon request |
All cases are to be reported with patient's name, date of birth, sex assigned at birth, race, ethnicity, phone number, physical address (including city and county), email address, preferred language and name and address and phone number of responsible physician or other healthcare provider; and such other information as is needed in order to locate the patient for follow up. The patient's pregnancy status shall be reported for cases of syphilis, HIV, hepatitis B and hepatitis C. In addition, all laboratory information reported shall include specimen accession number.
*Time: 1) "Immed" = by phone, within 4 hours of suspected diagnosis. 2) Unless the term "working day" is specified, "days" refers to calendar days.
1 Reporter: The party responsible for reporting is indicated by one of the following: L = Laboratory (whether or not associated with a hospital; by out-of-state laboratories that maintain an office or collection facility in Colorado or arrange for collection of specimens in Colorado; and by in-state laboratories which send specimens to an out-of- state laboratory referral laboratory), P = healthcare provider or other person knowing of or suspecting a case (including but not limited to coroners, persons in charge of hospitals or other institutions licensed by the Department (or their designees), persons in charge of schools (including nursing staff) and licensed child care centers), L & P = Both.
2 Specimen sources: A condition is reportable when the pathogen is isolated or detected from any specimen source unless otherwise indicated. A normally "sterile site" is defined as blood, cerebrospinal fluid (CSF), pleural fluid (includes chest fluid, thoracentesis fluid), peritoneal fluid (includes abdominal fluid, ascites), pericardial fluid, bone (includes bone marrow), joint or synovial fluid, needle aspirate or culture of any specific joint, internal body sites (sterilely obtained from biopsy/tissue/abscess/ aspirate/fluid/swab from lymph node, brain, heart, liver, spleen, vitreous fluid, kidney, pancreas, vascular tissue, or ovary). Skin and skin abscesses are not considered sterile sites.
3 Testing laboratories shall routinely submit bacterial culture isolates or patient clinical material that yields positive findings to the Department, State Public Health Laboratory. The isolate or clinical material shall be received at the Department, State Public Health Laboratory no later than one working day after the observation of positive findings. Clinical material is defined as: (i) A culture isolate containing the infectious organism for which submission of material is required, or (ii) If an isolate is not available, material containing the infectious organism for which submission of material is required, in the following order of preference: (A) a patient specimen; (B) nucleic acid; or (C) other laboratory material. All specimens shall be accompanied by the following information: (a) Patient's name, date of birth, sex assigned at birth, race, ethnicity, phone number, physical address (including city and county), email address, and preferred language; pregnancy status shall be reported for cases of syphilis, HIV, hepatitis B, and hepatitis C (b) Name and address and phone number of responsible physician or other healthcare provider; (c) Name of disease or condition; and (d) Laboratory information - test name, collection date, specimen accession number, and specimen type.
4 Acinetobacter baumannii (including species in the A. baumannii complex, e.g., A. baumannii, A. calcoaceticus, A. lactucae, A. nosocomialis, A. pittii, A. seifertii, etc.) that are resistant to at least one carbapenem (including imipenem, meropenem, or doripenem).
5 Report shall be based on the diagnosis or suspected diagnosis of the attending physician or other healthcare provider, whether or not supporting laboratory data are available.
6 For animal bites by dogs, cats, bats, skunks, foxes, raccoons, coyotes, and other wild carnivores, the name and locating information of the owner of the biting animal shall be reported, if known, by the healthcare provider or reporter.
7 Candida auris identified, or any suspected Candida auris. Clinical material may not be available for screening tests.
8 Condition reportable only among residents of a specific catchment area.
8-Metro Condition reportable only among residents of Denver Metropolitan Area (Adams, Arapahoe, Denver, Douglas, and Jefferson Counties)
8-Seven Condition reportable only among residents of seven-county Denver Metropolitan Area (Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson counties)
8-Boulder Condition only reportable among residents of Boulder county
9 Clinical or screening test positive for a carbapenemase using a phenotypic, molecular test, or next generation sequencing. Common carbapenemase genes include: blaKPC, blaNDM, blaVIM,blaIMP, blaOXA-48, but other carbapenemase genes include but are not limited to: blaSIM, blaGIM, blaSPM, other OXA genes, etc. Phenotypic testing methods include but are not limited to: metallo-[BETA]-lactamase test, modified Hodge test, Carba NP, carbapenem inactivation method (CIM), modified carbapenem inactivation method (MCIM), EDTA-modified carbapenem inactivation method (ECIM), or immunochromatography tests (ICT). Molecular tests for carbapenemase genes include but are not limited to: Xpert Carba-R, VERIGENE, Streck ARM-D, Cepheid, validated laboratory-developed NAAT, etc. Clinical material may not be available for screening tests.
10 Any positive tests shall be reported. All positive results from multi-step algorithms (including non-toxin detecting tests such as antigen tests (e.g., glutamate dehydrogenase or GDH, and cultures, etc.) shall also be reported, regardless of where the test falls within the algorithm.
11 All positive results for all test types including molecular tests, antigen tests, and sequencing lineage or mutation profile results are reportable. Positives will be reported by laboratories capable of electronic laboratory reporting (ELR) and only reported by ELR. Serology/antibody testing and at-home antigen tests are not reportable.
12 Enterobacterales including, but not limited to, Escherichia species, Klebsiella species, Enterobacter species, Citrobacter species, Serratia species, and Raoultella species that are resistant to at least one carbapenem (including imipenem, meropenem, doripenem, or ertapenem); or Providencia species, Proteus species, Morganella species that are resistant to at least one carbapenem (including meropenem, doripenem, or ertapenem; but not including imipenem); or Enterobacterales of any genus and species that test positive for production of carbapenemase (e.g., KPC, NDM, VIM, IMP, OXA-48, others).
13 Escherichia species, Klebsiella species, or Raoultella species resistant to at least one extended-spectrum cephalosporin (ceftazidime, cefotaxime or ceftriaxone) or Escherichia species, Klebsiella species, or Raoultella species that test positive for production of an extended-spectrum beta-lactamase (ESBL) demonstrated by a recognized test (e.g., broth microdilution, disk diffusion).
14 This includes any Shiga toxin test or O157 antigen test that is positive, even if no culture is performed. If the laboratory does not have the capacity to perform H (flagellar) antigen tests, then Escherichia coli O157 should be reported.
15 If group A streptococci is isolated from a wound or surgical tissue/specimen and is accompanied by necrotizing fasciitis or streptococcal toxic shock syndrome, the case shall be reported and the isolate shall be submitted.
16 Reportable only by facilities that are voluntarily participating in applied public health projects. Appendix B includes a definition of healthcare-associated infections, a list of included infections, and a list of included health facility types.
17 All associated results, including negative (nonreactive) and positive (reactive) HCV confirmatory assays from persons who have been diagnosed with or who have laboratory evidence of HCV infection are reportable (e.g., antigen or nucleic acid amplification for HCV RNA [including qualitative, quantitative or genotype testing]). Negative HCV test results will be reported by laboratories capable of electronic laboratory reporting (ELR) and only reported by ELR.
18 Submission of urine specimens is not required. If respiratory samples are available on patients positive for legionellosis by urine antigen test, submit a respiratory sample.
19 Reporting requirement is fulfilled through the Department's access to the National Healthcare Safety Network (NHSN) for those healthcare facilities that are required to report methicillin-resistant Staphylococcus aureus (MRSA) bacteremia to the Centers for Medicare & Medicaid services (CMS). In these instances these healthcare facilities shall confer rights to the Department to access the NHSN data for these conditions.
20 Pseudomonas aeruginosa resistant to at least one of the following carbapenems: imipenem, meropenem, or doripenem; OR P. aeruginosa that tests positive for production of a carbapenemase (i.e., KPC, NDM, VIM, IMP, OXA, others).
21 Staphylococcus aureus that are non-susceptible to vancomycin, which include isolates with minimum inhibitory concentration (MIC) of [GREATER THAN EQUALS TOO]4 mcg/ml.
22 Clinical material shall be submitted from laboratories when the material is from residents of the 5-county metro area (Adams, Arapahoe, Denver, Douglas and Jefferson counties). For Toxic Shock Syndrome, submission of Streptococcus pyogenes isolates from residents of the 5-county metro area is required.
23 All associated results for syphilis shall be reported for positive syphilis test findings including treponemal tests (Enzyme Immunoassay [EIA], Chemoluminescence Assay [CIA], Fluorescent Treponemal Antibody Absorption [FTA-ABS], Polymerase Chain Reaction [PCR], Multiplex Flow Immunoassay [MFI], Treponema pallidum Particle Agglutination [TP-PA], Treponema pallidum Antibody [TPA]) and Non-treponemal Tests (Rapid Plasma Reagin [RPR], Venereal Disease Research Laboratory [VDRL], Cerebrospinal Fluid [CSF] Quantitative Titers). Negative syphilis test results will be reported by laboratories capable of electronic laboratory reporting (ELR) and only reported by ELR.
24 Including (+) AFB sputum smear, culture (regardless of specimen site) and nucleic acid amplification tests (NAAT). See regulation 4f.
25 All positive interferon gamma release assays (IGRAs) will be reported by labs capable of electronic laboratory reporting (ELR), and only reported by ELR.
6 CCR 1009-1, app 6 CCR 1009-1-A