Q21.9
BillableCongenital malformation of cardiac septum, unspecified
Congenital malformation of cardiac septum, unspecified
Status
Billable / Specific
Parent Code
Q21Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Septal (heart) defect NOS
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)
Also Known As / Clinical Terms
SNOMED CT
- Congenital atresia of pulmonary artery10930001
- Imperforate pulmonary artery10930001
- Congenital cardiac septal defect59494005
- Congenital septal defect of heart59494005
- Atresia of pulmonary artery with septal defect204448004
- Congenital heart disease, septal and bulbar anomalies253264007
- Cardiac septal defects253273004
- Heart septal defects253273004
- Severe hypotonia, psychomotor developmental delay, strabismus, cardiac septal defect syndrome1187212004
UMLS
- Cardiac Septal DefectC0018816
- Cardiac Septal DefectsC0018816
- Cardiac septal defects congenitalC0018816
- Congenital Septal DefectC0018816
- Congenital cardiac septal defectC0018816
- Congenital cardiac septal defect NOSC0018816
- Congenital heart defects, septalC0018816
- Congenital malformation of cardiac septum, unspecifiedC0018816
- Congenital malformations of cardiac septaC0018816
- Congenital septal defectC0018816
- Congenital septal defect (morphologic abnormality)C0018816
- Congenital septal defect of heartC0018816
- Congenital septal defect of heart (disorder)C0018816
- Congenital septal defectsC0018816
- Defect, Cardiac SeptalC0018816
- Defect, Heart SeptalC0018816
- Defects, Cardiac SeptalC0018816
- Defects, Heart SeptalC0018816
- Heart Septal DefectC0018816
- Heart Septal DefectsC0018816
- Holes in the HeartC0018816
- Septal (heart) defect NOSC0018816
- Septal Defect, CardiacC0018816
- Septal Defect, HeartC0018816
- Septal Defects, CardiacC0018816
- Septal Defects, HeartC0018816
- congenital defects septalC0018816
- congenital heart septum defectC0018816
- congenital septal defectC0018816
- septal defectC0018816
Frequently Asked Questions
What is the ICD-10 code for congenital malformation of cardiac septum, unspecified?
The ICD-10-CM code for congenital malformation of cardiac septum, unspecified is Q21.9. The full clinical description is "Congenital malformation of cardiac septum, unspecified". Q21.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q21.9 mean?
ICD-10-CM code Q21.9 represents "Congenital malformation of cardiac septum, 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 Q21.9 a billable code?
Yes, Q21.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q21.9 in?
Q21.9 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What codes cannot be used with Q21.9?
Q21.9 has Excludes1 notes indicating codes that cannot be used together with it, including: acquired cardiac septal defect (I51.0).
What SNOMED CT codes does Q21.9 map to?
Q21.9 maps to 6 SNOMED CT concepts: 204448004, 253273004, 10930001, 59494005, 253264007, and 1 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q21.9?
Q21.9 is linked to 1 UMLS Concept Unique Identifier: C0018816. 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.