ICD-10-CM 2027
ICD-10 code for heart transposition
From the official ICD-10-CM alphabetic index entry “Transposition (congenital) › heart”. Page updated September 29, 2026.
About coding heart transposition
The ICD-10-CM code for heart transposition is Q24.0 (Dextrocardia). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on Q24.0.
Within Q24 (other congenital malformations of heart), Q24.0 is specifically for Dextrocardia. Related codes cover Levocardia (Q24.1), cor triatriatum (Q24.2), pulmonary infundibular stenosis (Q24.3), congenital subaortic stenosis (Q24.4), malformation of coronary vessels (Q24.5), congenital heart block (Q24.6), other specified congenital malformations of heart (Q24.8) and congenital malformation of heart, unspecified (Q24.9).
Don't report Q24.0 together with the conditions in its Excludes1 note: dextrocardia with situs inversus (Q89.3), isomerism of atrial appendages (with asplenia or polysplenia) (Q20.6) and mirror-image atrial arrangement with situs inversus (Q89.3).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
More specific heart transposition codes (official index)
- with complete transposition of viscera Q89.3 — Situs inversus
Don't confuse with (Excludes1 for Q24.0)
Common questions about heart transposition ICD-10 codes
What is the ICD-10 code for heart transposition?
- Q24.0 — Dextrocardia. More specific codes apply when the documentation supports them: Q89.3.
Is Q24.0 billable?
- Yes. Q24.0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can Q24.0 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict Q24.0 as a principal diagnosis.
Is Q24.0 a CC or MCC?
- Q24.0 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.