Q31
Non-billableCongenital malformations of larynx
Q31 is the ICD-10-CM code for Congenital malformations of larynx. It is a non-billable category code — use a more specific child code such as Q31.0 for billing.
- Status
- Header (non-billable)
- Chapter
- Q00-Q99
- Subcodes
- 7
- Edition
- FY2026
Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities
Excludes1 — not coded here
- •congenital laryngeal stridor NOS (P28.89)
Frequently asked questions
- What is ICD-10 code Q31?
- Q31 is the ICD-10-CM code for "Congenital malformations of larynx". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
- Is Q31 a billable code?
- No — Q31 is a non-billable header code. Use a more specific child code (such as Q31.0) for billing.
- What is excluded from Q31?
- Excludes1 (not coded here): congenital laryngeal stridor NOS (P28.89).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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