Q23
Non-billableCongenital malformations of aortic and mitral valves
Congenital malformations of aortic and mitral valves
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Child Codes
7
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- inborn errors of metabolism (E70-E88)
Child Codes (7)
Q23.0Congenital stenosis of aortic valve
Q23.1Congenital insufficiency of aortic valve
Q23.2Congenital mitral stenosis
Q23.3Congenital mitral insufficiency
Q23.4Hypoplastic left heart syndrome
Q23.8Other congenital malformations of aortic and mitral valves
Q23.9Congenital malformation of aortic and mitral valves, unsp
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code Q23?
ICD-10-CM code Q23 represents "Congenital malformations of aortic and mitral valves". It is a non-billable header code — use a more specific child code for billing purposes.
Is Q23 a billable code?
No, Q23 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under Q23.
What chapter is Q23 in?
Q23 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What are the subcategories under Q23?
Q23 has 7 child codes, including: Q23.0 (Congenital stenosis of aortic valve), Q23.1 (Congenital insufficiency of aortic valve), Q23.2 (Congenital mitral stenosis), Q23.3 (Congenital mitral insufficiency), and 3 more.
What are the UMLS CUIs for Q23?
Q23 is linked to 1 UMLS Concept Unique Identifier: C0478011. 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.