Q43.3

Congenital malformations of intestinal fixation

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

CMS-HCC V28

HCC78

Intestinal Obstruction/Perforation

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · Q43.3

Synonyms

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

Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities

Excludes 2

inborn errors of metabolism (E70-E88)

Note

Codes from this chapter are not for use on maternal records

Official Guidelines for Q43.3

FY 2026 ›

I.C.17Chapter-specific guidanceChapter 17: Congenital malformations, deformations, and chromosomal abnormalities (Q00-QA1)

Sections that reference Q43.3

IV.QEncounters for routine health screeningsOutpatient services
… Congenital conditions and anomalies Assign “Y” for congenital conditions and anomalies except for categories Q00- Q99, Congenital anomalies, which are on the exempt list. …

Sections whose FY 2026 text names Q43.3, its Q43 category, or a range containing it — the chapter guidance above is the authoritative source.

HCC risk adjustment mapping

Coding notes

Official Guidelines for Q43.3

Find Q43.3 in the alphabetic index