Q28.9

Billable

Congenital malformation of circulatory system, unspecified

Congenital malformation of circulatory system, unspecified

Coding Notes

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 the ICD-10 code for congenital malformation of circulatory system, unspecified?

The ICD-10-CM code for congenital malformation of circulatory system, unspecified is Q28.9. The full clinical description is "Congenital malformation of circulatory system, unspecified". Q28.9 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q28.9 mean?

ICD-10-CM code Q28.9 represents "Congenital malformation of circulatory system, unspecified". It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.

Is Q28.9 a billable code?

Yes, Q28.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q28.9 in?

Q28.9 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q28.9?

Q28.9 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 Q28.9 map to?

Q28.9 maps to 14 SNOMED CT concepts: 18735004, 27550009, 9904008, 10805641000119102, 762228008, and 9 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q28.9?

Q28.9 is linked to 1 UMLS Concept Unique Identifier: C0478013. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

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.