Q89.3

Situs inversus

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

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

This code · Q89.3

Excludes 1

dextrocardia NOS (Q24.0)

Synonyms

Dextrocardia with situs inversus Mirror-image atrial arrangement with situs inversus Situs inversus or transversus abdominalis Situs inversus or transversus thoracis Transposition of abdominal viscera Transposition of thoracic viscera

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 Q89.3

FY 2026 ›

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

Sections that reference Q89.3

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 Q89.3, its Q89 category, or a range containing it — the chapter guidance above is the authoritative source.

Find Q89.3 in the alphabetic index

14 index paths lead to this code