2023 ICD-10-CM Diagnosis Code Q26.1

Persistent left superior vena cava

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
  • Q26.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM Q26.1 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of Q26.1 - other international versions of ICD-10 Q26.1 may differ.
The following code(s) above Q26.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to Q26.1:
  • Q00-Q99
    2023 ICD-10-CM Range Q00-Q99

    Congenital malformations, deformations and chromosomal abnormalities

    Note
    • Codes from this chapter are not for use on maternal records
    Type 2 Excludes
    • inborn errors of metabolism (E70-E88)
    Congenital malformations, deformations and chromosomal abnormalities
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • Q26.1 is considered exempt from POA reporting.
ICD-10-CM Q26.1 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 306 Cardiac congenital and valvular disorders with mcc
  • 307 Cardiac congenital and valvular disorders without mcc

Convert Q26.1 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to Q26.1:
  • Malformation (congenital) - see also Anomaly
    • great
      • vein Q26.9
        ICD-10-CM Diagnosis Code Q26.9

        Congenital malformation of great vein, unspecified

          2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
        Applicable To
        • Congenital anomaly of vena cava (inferior) (superior) NOS
        • persistent left superior vena cava Q26.1
  • Persistence, persistent (congenital)
    • left
      • superior vena cava Q26.1

ICD-10-CM Codes Adjacent To Q26.1
Q25.5 Atresia of pulmonary artery
Q25.6 Stenosis of pulmonary artery
Q25.7 Other congenital malformations of pulmonary artery
Q25.71 Coarctation of pulmonary artery
Q25.72 Congenital pulmonary arteriovenous malformation
Q25.79 Other congenital malformations of pulmonary artery
Q25.8 Other congenital malformations of other great arteries
Q25.9 Congenital malformation of great arteries, unspecified
Q26 Congenital malformations of great veins
Q26.0 Congenital stenosis of vena cava
Q26.1 Persistent left superior vena cava
Q26.2 Total anomalous pulmonary venous connection
Q26.3 Partial anomalous pulmonary venous connection
Q26.4 Anomalous pulmonary venous connection, unspecified
Q26.5 Anomalous portal venous connection
Q26.6 Portal vein-hepatic artery fistula
Q26.8 Other congenital malformations of great veins
Q26.9 Congenital malformation of great vein, unspecified
Q27 Other congenital malformations of peripheral vascular system
Q27.0 Congenital absence and hypoplasia of umbilical artery
Q27.1 Congenital renal artery stenosis

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.