Q43.3 Congenital malformations of intestinal fixation

The ICD-10-CM code for Congenital malformations of intestinal fixation is Q43.3 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

17: Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

Section

Q38-Q45: Other congenital malformations of the digestive system (Q38-Q45)

Category Q43

11 codes (10 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to Q43.3:

• Universal mesentery
• Chilaiditi's syndrome (subphrenic displacement, colon)
• Incomplete › rotation, intestine
• Displacement, displaced › colon (congenital)
• Imperfect › rotation, intestine
• Jackson's › membrane
• Band (s) › periappendiceal, congenital
• Anomaly, anomalous (congenital) (unspecified type) › fixation, intestine

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

U.S. Hospital Utilization

• An estimated 6,515 U.S. inpatient stays in 2023 included Q43.3 among the documented diagnoses.
• 1,260 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

POA indicator for congenital conditions/anomalies and Q00-Q99 exception

Congenital conditions and anomalies Assign “Y” for congenital conditions and anomalies except for categories Q00- Q99, Congenital anomalies, which are on the exempt list. Congenital conditions are always considered present on admission.

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)

Cite This Page

Reference Q43.3 with the canonical source and edition:

Q43.3 — Congenital malformations of intestinal fixation. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/Q43.3

Canonical URL: https://icd10codingpro.com/codes/Q43.3