1. ICD-10-CM Codes
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2. Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities
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3. Q38-Q45 Other congenital malformations of the digestive system
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4. Q43- Other congenital malformations of intestine
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2018 ICD-10-CM Diagnosis Code Q43.8

Other specified congenital malformations of intestine

2016 2017 2018 Billable/Specific Code POA Exempt

• Q43.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2018 edition of ICD-10-CM Q43.8 became effective on October 1, 2017.
• This is the American ICD-10-CM version of Q43.8 - other international versions of ICD-10 Q43.8 may differ.

• Congenital anal fissure
• Congenital intestinal motility disorder
• Congenital rectal fissure
• Cyst, enterogenous
• Enterogenous cyst
• Generalized intestinal dysmotility

• A rare congenital abnormality characterized by the presence of an abnormally small colon. It is the result of intestinal underutilization during fetal development.

• Q43.8 is considered exempt from POA reporting.

• 393 Other digestive system diagnoses with mcc
• 394 Other digestive system diagnoses with cc
• 395 Other digestive system diagnoses without cc/mcc

Convert Q43.8 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change

• Type 1 Excludes: K57
  , K90.2
  ICD-10-CM Diagnosis Code K57

  Diverticular disease of intestine

  2016 2017 2018 Non-Billable/Non-Specific Code

  Type 1 Excludes

  • congenital diverticulum of intestine (Q43.8)
  • Meckel's diverticulum (Q43.0)

  Type 2 Excludes

  • diverticulum of appendix (K38.2)
  ICD-10-CM Diagnosis Code K90.2

  Blind loop syndrome, not elsewhere classified

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Blind loop syndrome NOS

  Type 1 Excludes

  • congenital blind loop syndrome (Q43.8)
  • postsurgical blind loop syndrome (K91.2)

• Anomaly, anomalous (congenital) (unspecified type) Q89.9
  ICD-10-CM Diagnosis Code Q89.9

  Congenital malformation, unspecified

  2016 2017 2018 Billable/Specific Code POA Exempt

  Applicable To

  • Congenital anomaly NOS
  • Congenital deformity NOS
  • appendix Q43.8
  • jejunum Q43.8
• Appendage
  • intestine Q43.8 (epiploic)
• Blind - see also Blindness
  • loop syndrome K90.2
    ICD-10-CM Diagnosis Code K90.2

    Blind loop syndrome, not elsewhere classified

    2016 2017 2018 Billable/Specific Code

    Applicable To

    • Blind loop syndrome NOS

    Type 1 Excludes

    • congenital blind loop syndrome (Q43.8)
    • postsurgical blind loop syndrome (K91.2)
    • congenital Q43.8
• Cyst (colloid) (mucous) (simple) (retention)
  • enterogenous Q43.8
• Disease, diseased - see also Syndrome
  • microvillus
    • atrophy Q43.8
    • inclusion Q43.8 (MVD)
• Displacement, displaced
  • appendix, retrocecal Q43.8 (congenital)
• Diverticulitis (acute) K57.92
  ICD-10-CM Diagnosis Code K57.92

  Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding

  2016 2017 2018 Billable/Specific Code
  • intestine K57.92
    ICD-10-CM Diagnosis Code K57.92

    Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding

    2016 2017 2018 Billable/Specific Code
    • congenital Q43.8
• Diverticulum, diverticula (multiple) K57.90
  ICD-10-CM Diagnosis Code K57.90

  Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Diverticular disease of intestine NOS
  • cecum - see Diverticulosis, intestine, large
    • congenital Q43.8
  • colon - see Diverticulosis, intestine, large
    • congenital Q43.8
  • duodenum - see Diverticulosis, intestine, small
    • congenital Q43.8
  • rectosigmoid - see Diverticulosis, intestine, large
    • congenital Q43.8
  • sigmoid - see Diverticulosis, intestine, large
    • congenital Q43.8
• Dolichocolon Q43.8
• Elongated, elongation (congenital) - see also Distortion
  • colon Q43.8
• Excess, excessive, excessively
  • large
    • colon K59.39
      ICD-10-CM Diagnosis Code K59.39

      Other megacolon

      2017 - New Code 2018 Billable/Specific Code

      Applicable To

      • Megacolon NOS
      • congenital Q43.8
• Fissure, fissured
  • anus, anal K60.2
    ICD-10-CM Diagnosis Code K60.2

    Anal fissure, unspecified

    2016 2017 2018 Billable/Specific Code
    • congenital Q43.8
• Formation
  • valve
    • colon, congenital Q43.8
• Imperfect
  • closure (congenital)
    • alimentary tract NEC Q45.8
      ICD-10-CM Diagnosis Code Q45.8

      Other specified congenital malformations of digestive system

      2016 2017 2018 Billable/Specific Code POA Exempt

      Applicable To

      • Absence (complete) (partial) of alimentary tract NOS
      • Duplication of digestive system
      • Malposition, congenital of digestive system
      • lower Q43.8
• Intussusception (bowel) (colon) (enteric) (ileocecal) (ileocolic) (intestine) ( rectum) K56.1
  ICD-10-CM Diagnosis Code K56.1

  Intussusception

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Intussusception or invagination of bowel
  • Intussusception or invagination of colon
  • Intussusception or invagination of intestine
  • Intussusception or invagination of rectum

  Type 2 Excludes

  • intussusception of appendix (K38.8)
  • congenital Q43.8
• Malformation (congenital) - see also Anomaly
  • intestine Q43.9
    ICD-10-CM Diagnosis Code Q43.9

    Congenital malformation of intestine, unspecified

    2016 2017 2018 Billable/Specific Code POA Exempt
    • specified type NEC Q43.8
• Malposition
  • congenital
    • alimentary tract Q45.8
      ICD-10-CM Diagnosis Code Q45.8

      Other specified congenital malformations of digestive system

      2016 2017 2018 Billable/Specific Code POA Exempt

      Applicable To

      • Absence (complete) (partial) of alimentary tract NOS
      • Duplication of digestive system
      • Malposition, congenital of digestive system
      • lower Q43.8
    • digestive organ or tract NEC Q45.8
      ICD-10-CM Diagnosis Code Q45.8

      Other specified congenital malformations of digestive system

      2016 2017 2018 Billable/Specific Code POA Exempt

      Applicable To

      • Absence (complete) (partial) of alimentary tract NOS
      • Duplication of digestive system
      • Malposition, congenital of digestive system
      • lower Q43.8
    • intestine (large) (small) Q43.8
    • appendix Q43.8
    • cecum Q43.8
    • colon Q43.8
• Megaloappendix Q43.8
• Megaloduodenum Q43.8
• Microcolon Q43.8 (congenital)
• Microvillus inclusion disease Q43.8 (MVD) (MVID)
• MVD Q43.8 (microvillus inclusion disease)
• MVID Q43.8 (microvillus inclusion disease)
• Patulous - see also Imperfect, closure (congenital)
  • alimentary tract Q45.8
    ICD-10-CM Diagnosis Code Q45.8

    Other specified congenital malformations of digestive system

    2016 2017 2018 Billable/Specific Code POA Exempt

    Applicable To

    • Absence (complete) (partial) of alimentary tract NOS
    • Duplication of digestive system
    • Malposition, congenital of digestive system
    • lower Q43.8
• Persistence, persistent (congenital)
  • pancreatic tissue in intestinal tract Q43.8
• Redundant, redundancy
  • anus Q43.8 (congenital)
  • colon Q43.8 (congenital)
  • intestine Q43.8 (congenital)
  • rectum Q43.8 (congenital)
  • sigmoid Q43.8 (congenital)
• Syndrome - see also Disease
  • blind loop K90.2
    ICD-10-CM Diagnosis Code K90.2

    Blind loop syndrome, not elsewhere classified

    2016 2017 2018 Billable/Specific Code

    Applicable To

    • Blind loop syndrome NOS

    Type 1 Excludes

    • congenital blind loop syndrome (Q43.8)
    • postsurgical blind loop syndrome (K91.2)
    • congenital Q43.8
• Telescoped bowel or intestine K56.1
  ICD-10-CM Diagnosis Code K56.1

  Intussusception

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Intussusception or invagination of bowel
  • Intussusception or invagination of colon
  • Intussusception or invagination of intestine
  • Intussusception or invagination of rectum

  Type 2 Excludes

  • intussusception of appendix (K38.8)
  • congenital Q43.8
• Transposition (congenital) - see also Malposition, congenital
  • appendix Q43.8
  • colon Q43.8
  • intestine Q43.8 (large) (small)
• Volvulus (bowel) (colon) (intestine) K56.2
  ICD-10-CM Diagnosis Code K56.2

  Volvulus

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Strangulation of colon or intestine
  • Torsion of colon or intestine
  • Twist of colon or intestine

  Type 2 Excludes

  • volvulus of duodenum (K31.5)
  • congenital Q43.8
• Web, webbed (congenital)
  • duodenal Q43.8

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.