1. P27 Chronic respiratory disease originating in the perinatal period

    Excludes2

    1. P27.0 Wilson-Mikity syndrome

      Inclusion term(s):

      • Pulmonary dysmaturity
    2. P27.1 Bronchopulmonary dysplasia originating in the perinatal period

    3. P27.8 Other chronic respiratory diseases originating in the perinatal period

      Inclusion term(s):

      • Congenital pulmonary fibrosis
      • Ventilator lung in newborn
    4. P27.9 Unspecified chronic respiratory disease originating in the perinatal period

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.