Q21.12

Billable

Patent foramen ovale

Patent foramen ovale

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Persistent foramen ovale

Excludes 1

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

  • acquired cardiac septal defect (I51.0)

Excludes 2

Conditions not included here, but the patient may have both

  • inborn errors of metabolism (E70-E88)
  • ostium primum atrial septal defect (type I) (Q21.20)

Also Known As / Clinical Terms

Frequently Asked Questions

What is the ICD-10 code for patent foramen ovale?

The ICD-10-CM code for patent foramen ovale is Q21.12. The full clinical description is "Patent foramen ovale". Q21.12 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q21.12 mean?

ICD-10-CM code Q21.12 represents "Patent foramen ovale". 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 Q21.12 a billable code?

Yes, Q21.12 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q21.12 in?

Q21.12 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q21.12?

Q21.12 has Excludes1 notes indicating codes that cannot be used together with it, including: acquired cardiac septal defect (I51.0).

What SNOMED CT codes does Q21.12 map to?

Q21.12 maps to 4 SNOMED CT concepts: 204315000, 448575000, 447933008, 204317008. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q21.12?

Q21.12 is linked to 1 UMLS Concept Unique Identifier: C0016522. 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.