Ear, Mastoid Infection
1 definitions

Ear and mastoid infections must meet at least one of the following criteria:
Otitis externa must meet at least one of the following criteria:
1. Patient has organism(s) cultured from purulent drainage from ear canal.
2. Patient has at least one of the following localized signs or symptoms: fever (>38.0°C±), pain*, erythema*, and organism(s) seen on Gram stain of purulent drainage from ear canal.
Otitis media must meet at least one of the following criteria:
3. Patient has organism(s) cultured from fluid from middle ear obtained during an invasive procedure, e.g., tympanocentesis.
4. Patient has at least two of the following localized signs or symptoms: fever (>38.0°C±), pain *, inflammation*, retraction* or decreased mobility of eardrum*, or fluid behind eardrum*.

Otitis interna must meet at least one of the following criteria:
5. Patient has organism(s) cultured from fluid from inner ear obtained during an invasive procedure.
6. Patient has a physician diagnosis of inner ear infection.
Mastoiditis must meet at least one of the following criteria:
7. Patient has organism(s) cultured from fluid or tissue from mastoid.
8. Patient has at least two of the following localized signs or symptoms: fever (>38.0°C±), pain or tenderness*, post auricular swelling*, erythema*, headache*, or facial paralysis*
And at least one of the following:
a. organism(s) seen on Gram stain of fluid or tissue from mastoid
b. positive non-culture diagnostic lab test on fluid or tissue from mastoid (e.g., antigen test, PCR)
c. imaging test evidence of infection.

FK Reading Ease
53.5

FK Grade Level
High School
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