Other heart disorders in diseases classified elsewhere

**Excludes1:** - heart disease (in): - gonococcal infection (A54.83) - meningococcal infection (A39.50) - rheumatoid arthritis (M05.31) - syphilis (A52.06)

**Code first:** - underlying disease, such as: - congenital syphilis (A50.5) - mucopolysaccharidosis (E76.3) - schistosomiasis (B65.0-B65.9)