Q23.2 – Congenital mitral stenosis
ICD-10-CM 2027 diagnosis code · Congenital malformations of the circulatory system
ICD-10-CM code
Q23.2
- Code
Q23.2(claims format:Q232)- Description
- Congenital mitral stenosis
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q20-Q28 Congenital malformations of the circulatory system
- Parent codes
- Q23
Notes for Q23.2
Applicable to:
- Congenital mitral atresia
Index terms for Q23.2
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Duroziez's disease
- Parachute mitral valve
- Supernumerary, mitral cusps
- Deformity, mitral, parachute
- Disease, diseased, Duroziez's
- Atresia, atretic, mitral valve
- Stricture, heart, valve, mitral
- Anomaly, anomalous, mitral, stenosis
- Stricture, valve, congenital, mitral
- Stenosis, stenotic, mitral, congenital
- Deformity, mitral, stenosis, congenital
- Fusion, fused, commissure, mitral valve
- Fusion, fused, cusps, heart valve NEC, mitral
- Stenosis, stenotic, valve, congenital, mitral
- Supernumerary, cusps, heart valve NEC, mitral
- Anomaly, anomalous, heart, valve NEC, mitral, stenosis
Related codes in Q23
- Q23.0 – Congenital stenosis of aortic valveBillable
- Q23.1 – Congenital insufficiency of aortic valveBillable
- Q23.3 – Congenital mitral insufficiencyBillable
- Q23.4 – Hypoplastic left heart syndromeBillable
- Q23.8 – Other congenital malformations of aortic and mitral valvesHeader
- Q23.9 – Congenital malformation of aortic and mitral valves, unspecifiedBillable
Frequently asked questions
What is ICD-10 code Q23.2?
Q23.2 is the ICD-10-CM code for congenital mitral stenosis, in the block Q20-Q28 (Congenital malformations of the circulatory system).
Is Q23.2 a billable code?
Yes. Q23.2 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Q23.2 belong to?
It belongs to category Q23 – Congenital malformations of aortic and mitral valves.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.