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K59 Other functional intestinal disorders

Non-Billable/Non-Specific

Type 1 Excludes

  • change in bowel habit NOS (R19.4)
  • intestinal malabsorption (K90.-)
  • psychogenic intestinal disorders (F45.8)

Type 2 Excludes

  • functional disorders of stomach (K31.-)

Codes

  • K59.0Constipation
    • K59.00Constipation, unspecified
    • K59.01Slow transit constipation
    • K59.02Outlet dysfunction constipation
    • K59.03Drug induced constipation
    • K59.04Chronic idiopathic constipation
    • K59.09Other constipation
  • K59.1Functional diarrhea
  • K59.2Neurogenic bowel, not elsewhere classified
  • K59.3Megacolon, not elsewhere classified
  • K59.4Anal spasm
  • K59.8Other specified functional intestinal disorders
    • K59.81Ogilvie syndrome
    • K59.89Other specified functional intestinal disorders
  • K59.9Functional intestinal disorder, unspecified