1. P25 Interstitial emphysema and related conditions originating in the perinatal period

    1. P25.0 Interstitial emphysema originating in the perinatal period

    2. P25.1 Pneumothorax originating in the perinatal period

    3. P25.2 Pneumomediastinum originating in the perinatal period

    4. P25.3 Pneumopericardium originating in the perinatal period

    5. P25.8 Other conditions related to interstitial emphysema 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.