Q43.3
Congenital malformations of intestinal fixation
Q43.3 (also written Q433) is a billable ICD-10-CM diagnosis code for congenital malformations of intestinal fixation. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 10 codes in category Q43 (Other congenital malformations of intestine). The Alphabetic Index lists it under 35 entries. Its coding notes include 1 Excludes2 entry.
Guidelines tip
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
Chapter 17 codes can be used for life. Manifestations that are an inherent part of a specifically coded anomaly are not coded separately. A corrected malformation is reported with a personal history code.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (1 note)
- inborn errors of metabolism (E70-E88)
Care settings
How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.
Home Health Primary
Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.
Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026Hospital CC
Counts as a complication or comorbidity (CC) when reported as a secondary diagnosis on an inpatient claim. It does not count when the principal diagnosis is one of the 7 codes in its exclusion list. Some MS-DRGs also ignore a CC or MCC that defines the DRG.
Source: CMS MS-DRG Definitions Manual v44, effective October 1, 2026, Appendix CInclusion terms
Conditions classified to this code.
- 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
Notes
Also from chapter/block level (1 note)
- Codes from this chapter are not for use on maternal records
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 35 entries
- Adhesions, adhesive (postinfective), congenital, omental, anomalous
- Adhesions, adhesive (postinfective), congenital, peritoneal
- Adhesions, adhesive (postinfective), peritoneum, peritoneal (postinfective), congenital
- Anomaly, anomalous (congenital) (unspecified type), fixation, intestine
- Anomaly, anomalous (congenital) (unspecified type), intestine (large) (small), with anomalous adhesions, fixation or malrotation
- Band (s), anomalous or congenital, intestine
- Band (s), anomalous or congenital, omentum
- Band (s), periappendiceal, congenital
- Chilaiditi's syndrome (subphrenic displacement, colon)
- Displacement, displaced, colon (congenital)
- Failure, failed, rotation, cecum
- Failure, failed, rotation, colon
Show 23 more
- Failure, failed, rotation, intestine
- Imperfect, rotation, intestine
- Incomplete, rotation, intestine
- Jackson's, membrane
- Jackson's, veil
- Lane's, band
- Malposition, congenital, intestine (large) (small), with anomalous adhesions, fixation or malrotation
- Malrotation, cecum
- Malrotation, colon
- Malrotation, intestine
- Membrane (s), membranous, Jackson's
- Mobile, mobility, cecum
- Nondescent (congenital), cecum
- Nondescent (congenital), colon
- Rotation, anomalous, incomplete or insufficient, intestine
- Rotation, cecum (congenital)
- Rotation, colon (congenital)
- Syndrome, Chilaiditi's
- Syndrome, subphrenic interposition
- Undescended, cecum
- Undescended, colon
- Universal mesentery
- Veil, Jackson's