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Search for Communication

  • Communication

    • between
      • base of aorta and pulmonary artery Q21.4
      • left ventricle and right atrium Q20.5
      • pericardial sac and pleural sac Q34.8
      • pulmonary artery and pulmonary vein, congenital Q25.72
    • congenital between uterus and digestive or urinary tract Q51.7

ICD-10 Code Lookup

Find the disease or condition using the Alphabetic Index displayed on this page. Select the associated ICD-10 code to view any special notations from the Tabular List.

In addition to the notes in the Tabular List, these conditions also have a specific Alphabetic Index entry structure. In the Alphabetic Index both conditions are listed together with the etiology code first followed by the manifestation codes in brackets. The code in brackets is always to be sequenced second.

Abbreviations used here:

NEC “Not elsewhere classifiable”
This abbreviation in the Alphabetic Index represents “other specified.” When a specific code is not available for a condition, the Alphabetic Index directs the coder to the “other specified” code in the Tabular List.

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