1. Q41 Congenital absence, atresia and stenosis of small intestine

    1. Q41.0 Congenital absence, atresia and stenosis of duodenum

    2. Q41.1 Congenital absence, atresia and stenosis of jejunum

      Inclusion term(s):

      • Apple peel syndrome
      • Imperforate jejunum
    3. Q41.2 Congenital absence, atresia and stenosis of ileum

    4. Q41.8 Congenital absence, atresia and stenosis of other specified parts of small intestine

    5. Q41.9 Congenital absence, atresia and stenosis of small intestine, part unspecified

      Inclusion term(s):

      • Congenital absence, atresia and stenosis of intestine NOS
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.