• congenital stenosis and stricture of bile ducts (Q44.3)
  • Crigler-Najjar syndrome (E80.5)
  • Dubin-Johnson syndrome (E80.6)
  • Gilbert syndrome (E80.4)
  • hereditary hemolytic anemias (D55-D58)
  1. P56 Hydrops fetalis due to hemolytic disease


    • hydrops fetalis NOS (P83.2)
    1. P56.0 Hydrops fetalis due to isoimmunization

    2. P56.9 Hydrops fetalis due to other and unspecified hemolytic disease

      1. P56.90 Hydrops fetalis due to unspecified hemolytic disease

      2. P56.99 Hydrops fetalis due to other hemolytic disease

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.