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Mastoiditis (coalescent) (hemorrhagic) (suppurative) H70.9-
    acute, subacute H70.00-
        complicated NEC H70.09-
        subperiosteal H70.01-
    chronic (necrotic) (recurrent) H70.1-
    in (due to)
        infectious disease NEC B99 [H75.0-]
        parasitic disease NEC B89 [H75.0-]
        tuberculosis A18.03
    petrositis --see Petrositis
    postauricular fistula --see Fistula, postauricular
    specified NEC H70.89-
    tuberculous A18.03