K59

Other functional intestinal disorders

Non-billable header

K59 is a non-billable header code. Use one of the more specific codes below.

Excludes1

Not coded here — never report together with this code.

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

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • functional disorders of stomach (K31.-)

More specific codes K59

  • K59.0ConstipationHeader
  • K59.1Functional diarrheaBillable
  • K59.2Neurogenic bowel, not elsewhere classifiedBillable
  • K59.3Megacolon, not elsewhere classifiedHeader
  • K59.4Anal spasmBillable
  • K59.8Other specified functional intestinal disordersHeader
  • K59.9Functional intestinal disorder, unspecifiedBillable

Related codes

  • K55Vascular disorders of intestineHeader
  • K56Paralytic ileus and intestinal obstruction without herniaHeader
  • K57Diverticular disease of intestineHeader
  • K58Irritable bowel syndromeHeader
  • K60Fissure and fistula of anal and rectal regionsHeader
  • K61Abscess of anal and rectal regionsHeader
  • K62Other diseases of anus and rectumHeader
  • K63Other diseases of intestineHeader
  • K64Hemorrhoids and perianal venous thrombosisHeader

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