DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Q43 Other congenital malformations of intestine

  • Header · not billable

Q43 is not billable. The category heads 10 billable codes in FY2027: the 10 codes directly below it.

Index → code

Where it sits

  1. Chapter 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
  2. Q38-Q45 Other congenital malformations of the digestive system (Q38-Q45)
  3. Q43 Other congenital malformations of intestine
Billable codes
10
Subdivisions
10
CC / MCC codes
9 / 0
HCC V28 codes
3
New FY2027
0
Index entries
148

Codes in Q43

  1. Q43.0
    Meckel's diverticulum (displaced) (hypertrophic)
    BillableExempt
    Inclusion terms 2

    Inclusion terms

    • Persistent omphalomesenteric duct
    • Persistent vitelline duct
  2. Q43.1
    Hirschsprung's disease
    BillableCC78Exempt
    Inclusion terms 2

    Inclusion terms

    • Aganglionosis
    • Congenital (aganglionic) megacolon
  3. Q43.2
    Other congenital functional disorders of colon
    BillableCC78Exempt
    Inclusion terms 1

    Inclusion terms

    • Congenital dilatation of colon
  4. Q43.3
    Congenital malformations of intestinal fixation
    BillableCC78Exempt
    Inclusion terms 8

    Inclusion terms

    • Congenital omental, anomalous adhesions [bands]
    • Congenital peritoneal adhesions [bands]
    • Incomplete rotation of cecum and colon
    • Insufficient rotation of cecum and colon
    • Jackson's membrane
    • Malrotation of colon
    • Rotation failure of cecum and colon
    • Universal mesentery
  5. Q43.4
    Duplication of intestine
    BillableCCExempt
  6. Q43.5
    Ectopic anus
    BillableCCExempt
  7. Q43.6
    Congenital fistula of rectum and anus
    BillableCCExempt
    Excludes1 5

    Excludes1

    • congenital fistula of anus with absence, atresia and stenosis (Q42.2) Q42.2
    • congenital fistula of rectum with absence, atresia and stenosis (Q42.0) Q42.0
    • congenital rectovaginal fistula (Q52.2) Q52.2
    • congenital urethrorectal fistula (Q64.73) Q64.73
    • pilonidal fistula or sinus (L05.-) L05
  8. Q43.7
    Persistent cloaca
    BillableCCExempt
    Inclusion terms 1

    Inclusion terms

    • Cloaca NOS
  9. Q43.8
    Other specified congenital malformations of intestine
    BillableCCExempt
    Inclusion terms 10

    Inclusion terms

    • Congenital blind loop syndrome
    • Congenital diverticulitis, colon
    • Congenital diverticulum, intestine
    • Dolichocolon
    • Megaloappendix
    • Megaloduodenum
    • Microcolon
    • Transposition of appendix
    • Transposition of colon
    • Transposition of intestine
  10. Q43.9
    Congenital malformation of intestine, unspecified
    BillableCCExempt

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

Notes that also apply

Chapter 17 instructions (Notes 1, Excludes2 1): printed on the chapter 17 page.

Index entries

  • Meckel's diverticulitis, diverticulum (displaced) (hypertrophic) → Q43.0
  • Omphalomesenteric duct, persistent → Q43.0
  • Vitelline duct, persistent → Q43.0
  • Aganglionosis (bowel) (colon) → Q43.1
  • Hirschsprung's disease or megacolon → Q43.1
  • Macrocolon → Q43.1
  • Chilaiditi's syndrome (subphrenic displacement, colon) → Q43.3
  • Universal mesentery → Q43.3
  • Cloaca (persistent) → Q43.7
  • Dolichocolon → Q43.8
  • Megaloappendix → Q43.8
  • Megaloduodenum → Q43.8
  • Microcolon (congenital) → Q43.8
  • Microvillus inclusion disease (MVD) (MVID) → Q43.8
  • MVD (microvillus inclusion disease) → Q43.8
  • MVID (microvillus inclusion disease) → Q43.8
  • Anomaly, anomalous (congenital) (unspecified type)omphalomesenteric duct → Q43.0
  • Anomaly, anomalous (congenital) (unspecified type)vitelline duct → Q43.0
  • DilatationMeckel's diverticulum (congenital) → Q43.0
  • Displacement, displacedMeckel's diverticulum → Q43.0
  • Diverticulum, diverticula (multiple)Meckel's (displaced) (hypertrophic) → Q43.0
  • Hypertrophy, hypertrophicMeckel's diverticulum (congenital) → Q43.0
  • Patentomphalomesenteric duct → Q43.0
  • Patentvitelline duct → Q43.0
  • Persistence, persistent (congenital)Meckel's diverticulum → Q43.0
  • Persistence, persistent (congenital)omphalomesenteric duct → Q43.0
  • Persistence, persistent (congenital)vitelline duct → Q43.0
  • TorsionMeckel's diverticulum (congenital) → Q43.0
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativeMeckel's diverticulum → Q43.0
  • Megacolon (acquired) (functional) (not Hirschsprung's disease) (in)congenital, congenitum (aganglionic) → Q43.1
  • Megacolon (acquired) (functional) (not Hirschsprung's disease) (in)Hirschsprung's (disease) → Q43.1
  • Macrosigmoidcongenital → Q43.2
  • Megasigmoidcongenital → Q43.2
  • Anomaly, anomalous (congenital) (unspecified type)fixation, intestine → Q43.3
  • Band(s)periappendiceal, congenital → Q43.3
  • Displacement, displacedcolon (congenital) → Q43.3
  • Imperfectrotation, intestine → Q43.3
  • Incompleterotation, intestine → Q43.3
  • Jackson'smembrane → Q43.3
  • Jackson'sveil → Q43.3

108 more, longer entries are not listed; the search box finds them by word.

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