Isolation Table

A B C D E F G H I K L M N O P Q R S T U V W Y Z
All
Coronaviruses HKU1, 229E, NL63, and OC43 (not SARS, MERS, nor virus associated with COVID-19 (SARS-CoV-2))
Condition Isolation Duration of Isolation Comment

Duration of Ilness
COVID-19 confirmed, OR with signs/symptoms concerning for COVID-19 undergoing evaluation, OR high-risk COVID exposure* (e.g., household or roommate exposure)
Condition Isolation Duration of Isolation Comment

Refer to discontinuation criteria.

For more information regarding Aerosol Generating Procedures, refer to this guidance.

*Novel Respiratory Isolation is not needed for asymptomatic patients exposed to a healthcare worker with COVID-19
Coxsackie virus disease (see enteroviral infection)
Condition Isolation Duration of Isolation Comment
Creutzfeldt-Jakob disease (CJD, vCJD)
Condition Isolation Duration of Isolation Comment

See IP 4.2 Policies and Procedures for patients with suspected or confirmed human prion disease (e.g., creutzfeldt-Jacob disease [CJD])
Crimean-Congo Fever (see Viral Hemorrhagic Fever)
Condition Isolation Duration of Isolation Comment

Duration of illness

If this condition is suspected, IMMEDIATELY CONTACT: INFECTION PREVENTION (Business hours: 415-806-0269; non-business hours: Notify Nursing Supervisor) AND INFECTIOUS DISEASES.
See also: https://www.cdc.gov/vhf/ebola/clinicians/index.html
Croup (infants and young children only)
Condition Isolation Duration of Isolation Comment
When clinical syndrome suspected and/or no organism identified on further testing

duration of illness or until specific pathogen is known

Initiate isolation when test is ordered to rule out viral pathogens.
Cryptococcosis
Condition Isolation Duration of Isolation Comment
(Cryptococcus neoformans)
Cystic Fibrosis
Condition Isolation Duration of Isolation Comment

Entire hospitalization. HCW gown and gloves for all patient Contact + Standard, and mask with shield during respiratory treatments.  Patients masked when outside hospital or clinic room during entire hospitalization

See additional guidance in Infection Prevention Manual 4.5
(https://infectioncontrol.ucsfmedicalcenter.org/45-cystic-fibrosis)
Cysticercosis
Condition Isolation Duration of Isolation Comment
(Taenia sp., tapeworm)
Cytomegalovirus (CMV)
Condition Isolation Duration of Isolation Comment
Any patient with CMV infection, including neontes and immunosuppressed children and adults
Decubitus ulcer, infected
Condition Isolation Duration of Isolation Comment
Major

Duration of illness

“Major” defined as “Dressing does not contain drainage adequately”
Minor or limited

“Minor” defined as “Dressing covers and contains drainage adequately”
Dengue
Condition Isolation Duration of Isolation Comment
Diarrhea
Condition Isolation Duration of Isolation Comment
acute, of unknown etiology, infective etiology suspected

Duration of illness

Hand Hygiene with soap and water (not alcohol based hand rub) is indicated until cause of diarrhea is determined.
Diphtheria (Corynebacterium diptheriae)
Condition Isolation Duration of Isolation Comment
Cutaneous

Until off antibiotics and 2 cultures collected at least 24 hours apart are negative

Contact Infection Prevention. Business hours (8 a.m.-4 p.m.): Adult IP on call Voalte 628-248-9059, Peds IP on call Voalte 628-248-8503, or Infection Prevention Main line 415-353-4343;
non-business hours: Notify Nursing Supervisor.
Pharyngeal

Until off antibiotics and 2 cultures collected at least 24 hours apart are negative

Contact Infection Prevention. Business hours (8 a.m.-4 p.m.): Adult IP on call Voalte 628-248-9059, Peds IP on call Voalte 628-248-8503, or Infection Prevention Main line 415-353-4343; non-business hours: Notify Nursing Supervisor.
Ebola
Condition Isolation Duration of Isolation Comment

Duration of illness

See Isolation Table entry for Viral Hemorrhagic Fever (VHF) .

Additional resources are available on the Viral Hemorrhagic Fever web page.
Echinococcosis (hydatid disease) (Echinococcus sp.)
Condition Isolation Duration of Isolation Comment
Encephalitis (or encephalomyelitis)
Condition Isolation Duration of Isolation Comment

Examples: varicella, herpes simplex, eastern, western, Venezuelan equine encephalomyelitis; St. Louis, California encephalitis.  See specific etiologic agent
Endometritis
Condition Isolation Duration of Isolation Comment
Enterobiasis (Enterobius sp) (pinworm disease, oxyuriasis)
Condition Isolation Duration of Isolation Comment
Enterococcus sp
Condition Isolation Duration of Isolation Comment
vancomycin resistant (VRE)
Vancomycin AND Linezolid resistant VRE

Duration of hospitalization and upon readmission 

Discontinuation will be determined by Infection Prevention on a case by case basis (i). 
Enterocolitis, C. difficile (see Gastroenteritis, C. difficile)
Condition Isolation Duration of Isolation Comment
C. difficile gastroenteritis, enterocolitis

Patients on 11L or 12L:  Duration of hospitalization.  All others: Enteric Contact + Standard isolation can be discontinued if (1) patient has had no diarrhea for ≥48 hours AND (2) clean patient and belongings have been transferred to clean room.

Hand Hygiene with soap and water (not alcohol based hand rub) is indicated upon exiting the room of a patient on Contact + Standard Isolation for C. difficile. Wash your hands sign is available.
See Diarrhea Decision Tree for additional guidance. https://infectioncontrol.ucsfmedicalcenter.org/diarrhea-decision-tree
Enterovirus, (coxsackievirus disease, echovirus, hand foot and mouth disease, herpangina, pleurodynia)
Condition Isolation Duration of Isolation Comment
All other patients

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