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ICD-10-CM Code Q26.8
Other congenital malformations of great veins

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

Q26.8 is a billable ICD code used to specify a diagnosis of other congenital malformations of great veins. 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 Q268 is used to code Scimitar syndrome

Scimitar syndrome, or pulmonary venolobar syndrome, is a rare congenital heart defect characterized by anomalous venous return from the right lung (to the systemic venous drainage, rather than directly to the left atrium). This anomalous pulmonary venous return can be either partial (PAPVR) or total (TAPVR). The syndrome associated with PAPVR is more commonly known as Scimitar syndrome after the curvilinear pattern created on a chest radiograph by the pulmonary veins that drain to the inferior vena cava. This radiographic density often has the shape of a scimitar, a type of curved sword.

Specialty: Medical Genetics
MeSH Code: D012587
ICD 9 Code: 747.49

Chest MR angiography in a patient with scimitar syndrome

Source: Wikipedia

Coding Notes for Q26.8 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.
Absence of vena cava (inferior) (superior)
Azygos continuation of inferior vena cava
Persistent left posterior cardinal vein
Scimitar syndrome

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 atresia of superior vena cava (disorder)
  • Left inferior vena cava connecting to left sided atrium (disorder)
  • Right inferior vena cava connecting to left sided atrium (disorder)
  • Interrupted right inferior vena cava (disorder)
  • Sinus venosus defect with overriding inferior vena cava (disorder)
  • Prolapse of Eustachian valve (disorder)
  • Separate hepatic vein and inferior vena cava connections to heart (disorder)


Other anomalies of great veins (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 Q26.8 and a single ICD9 code, 747.49 is an approximate match for comparison and conversion purposes.

Parent Code: Q26 - Congenital malformations of great veins

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/Q268