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Diagnosis Code

Q28.1 OTHER MALFORMATIONS OF PRECEREBRAL VESSELS


Code Information

Diagnosis Code: Q28.1

Short Description: Other malformations of precerebral vessels

Long Description: Other malformations of precerebral vessels

The code Q28.1 is VALID for claim submission

Code Classification:

  • Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • Congenital malformations of the circulatory system (Q20-Q28)
      • Other congenital malformations of circulatory system (Q28)
        • Q28.1 Other malformations of precerebral vessels

Code Version: 2022 ICD-10-CM


Synonyms

  • Congenital aneurysm of precerebral artery
  • Congenital anomaly of carotid artery
  • Congenital fenestration of basilar artery
  • Congenital malposition of carotid artery
  • Isolation of common carotid artery
  • Isolation of left common carotid artery
  • Retroesophageal carotid artery

Diagnostic Related Group(s)

The code Q28.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Peripheral Vascular Disorders With Mcc (299)
  • Peripheral Vascular Disorders With Cc (300)
  • Peripheral Vascular Disorders Without Cc/mcc (301)

References to Index of Diseases and Injuries

The code Q28.1 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Congenital malformation of precerebral vessels NOS
    • Congenital precerebral aneurysm (nonruptured)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
Q28.1 Right Arrow 747.89 Circulatory anomaly NEC

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
Q28 Other congenital malformations of circulatory system
Q28.0 Arteriovenous malformation of precerebral vessels
Q28.2 Arteriovenous malformation of cerebral vessels
Q28.3 Other malformations of cerebral vessels
Q28.8 Other specified congenital malformations of circulatory system
Q28.9 Congenital malformation of circulatory system, unspecified

This page was last updated on: 10/1/2023

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