1. J33 Nasal polyp

    1. J33.0 Polyp of nasal cavity

      Inclusion term(s):

      • Choanal polyp
      • Nasopharyngeal polyp
    2. J33.1 Polypoid sinus degeneration

      Inclusion term(s):

      • Woakes' syndrome or ethmoiditis
    3. J33.8 Other polyp of sinus

      Inclusion term(s):

      • Accessory polyp of sinus
      • Ethmoidal polyp of sinus
      • Maxillary polyp of sinus
      • Sphenoidal polyp of sinus
    4. J33.9 Nasal polyp, unspecified

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.