Q28.1

Billable

Other malformations of precerebral vessels

Other malformations of precerebral vessels

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Congenital malformation of precerebral vessels NOS
  • Congenital precerebral aneurysm (nonruptured)

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • congenital aneurysm NOS (Q27.8)
  • congenital coronary aneurysm (Q24.5)
  • ruptured cerebral arteriovenous malformation (I60.8)
  • ruptured malformation of precerebral vessels (I72.0)

Excludes 2

Conditions not included here, but the patient may have both

  • inborn errors of metabolism (E70-E88)
  • congenital peripheral aneurysm (Q27.8)
  • congenital pulmonary aneurysm (Q25.79)
  • congenital retinal aneurysm (Q14.1)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code Q28.1?

ICD-10-CM code Q28.1 represents "Other malformations of precerebral vessels". It is a billable/specific code that can be used on a claim.

Is Q28.1 a billable code?

Yes, Q28.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q28.1 in?

Q28.1 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q28.1?

Q28.1 has Excludes1 notes indicating codes that cannot be used together with it, including: congenital aneurysm NOS (Q27.8); congenital coronary aneurysm (Q24.5); ruptured cerebral arteriovenous malformation (I60.8); and 1 more.

What SNOMED CT codes does Q28.1 map to?

Q28.1 maps to 11 SNOMED CT concepts: 253699002, 783630000, 92997002, 16520041000119104, 1144395006, and 6 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q28.1?

Q28.1 is linked to 3 UMLS Concept Unique Identifiers: C2910154, C2910155, C0478006. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.