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ICD-10-CM Code Q24.5
Malformation of coronary vessels

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
POA Exempt
POA Exempt Code
The Center for Medicare & Medicaid Services (CMS) requires medical coders to indicate whether or not a condition was present at the time of admission, in order to properly assign MS-DRG codes. This "Present On Admission" (POA) indicator is recorded on CMS form 4010A.
| ICD-10 from 2011 - 2016

Q24.5 is a billable ICD code used to specify a diagnosis of malformation of coronary vessels. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

POA Indicators on CMS form 4010A are as follows:

IndicatorMeaningCMS Will Pay CC/MCC DRG Costs
YDiagnosis was present at time of inpatient admissionYes
NDiagnosis was not present at time of inpatient admissionNo
UDocumentation insufficient to determine if the condition was present at the time of inpatient admission.No
WClinically undetermined. Provider unable to clinically determine whether the condition was present at the time of inpatient admission.Yes
1Exempt from POA reportingNo

The ICD code Q245 is used to code Anomalous aortic origin of a coronary artery

anomalous aortic origin of a coronary artery (aaoca) from the inappropriate sinus of valsalva with an interarterial, intraconal, or intramural course is a rare heart defect associated with an increased risk of sudden death in children.

Specialty: Medical Genetics
MeSH Code: D003330
ICD 9 Code: 746.85

Anomalous origin of the right coronary artery from the left coronary sinus on MRI with an inter-arterial, potentially dangerous course.

Source: Wikipedia

Coding Notes for Q24.5 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Congenital coronary (artery) aneurysm

MS-DRG Mapping

  • DRG Group #306-307 - Cardiac congenital and valvular disorders with MCC.
  • DRG Group #306-307 - Cardiac congenital and valvular disorders without MCC.

Related Concepts SNOMET-CT

  • Congenital coronary aneurysm (disorder)
  • Congenital occlusion of coronary sinus (disorder)
  • Aortic left ventricular tunnel with right coronary artery from tunnel (disorder)
  • Congenital absence of coronary sinus (disorder)
  • Congenital coronary arteriovenous fistula (disorder)
  • Congenital coronary artery fistula to left ventricle (disorder)
  • Congenital coronary artery fistula to right atrium (disorder)
  • Coronary sinus to left ventricle fistula (disorder)
  • Congenital coronary artery calcification (disorder)
  • Hepatic vein to coronary sinus (disorder)

ICD-10-CM Alphabetical Index References for 'Q24.5 - Malformation of coronary vessels'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code Q24.5. Click on any term below to browse the alphabetical index.


Coronary artery anomaly (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code Q24.5 and a single ICD9 code, 746.85 is an approximate match for comparison and conversion purposes.

Parent Code: Q24 - Other congenital malformations of heart

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/Q245