ICD-9-CM Codes ICD-9-PCS Codes

536.9 - Unspecified functional disorder of stomach

GEM Conversion to ICD-10 CM

K31.89

Fs: 10000 – Other diseases of stomach and duodenum

K31.9

Fs: 10000 – Disease of stomach and duodenum, unspecified

Sibling Codes

536.0

536.1

Acute dilatation of stomach

536.2

Persistent vomiting

536.3

536.8

Dyspepsia and other specified disorders of function of stomach

536.9

Unspecified functional disorder of stomach

Parent Sibling Codes

538

Gastrointestinal mucositis (ulcerative)