1. R01 Cardiac murmurs and other cardiac sounds


    • cardiac murmurs and sounds originating in the perinatal period (P29.8)
    1. R01.0 Benign and innocent cardiac murmurs

      Inclusion term(s):

      • Functional cardiac murmur
    2. R01.1 Cardiac murmur, unspecified

      Inclusion term(s):

      • Cardiac bruit NOS
      • Heart murmur NOS
      • Systolic murmur NOS
    3. R01.2 Other cardiac sounds

      Inclusion term(s):

      • Cardiac dullness, increased or decreased
      • Precordial friction
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.