Q31 ICD-10-CM Code: Congenital malformations of larynx
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
Q31Congenital malformations of larynx
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where Q31 sits
- 1
Chapter 17
Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- 2
Section
Congenital malformations of the respiratory system (Q30-Q34)
- 3
Category Q31
Congenital malformations of larynx
- 4
Code Q31
Congenital malformations of larynx
More specific choices
Codes under Q31
Q31 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for Q31.
Code first
No “code first” instruction is listed for Q31.
Use additional code
No “use additional code” instruction is listed for Q31.
Excludes1
Conditions that should not be reported together with this code.
- congenital laryngeal stridor NOS (P28.89)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for Q31.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code Q31 mean?
Q31 is the FY 2027 U.S. ICD-10-CM code for “Congenital malformations of larynx.”
Is Q31 a billable or specific ICD-10-CM code?
No. Q31 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is Q31 located in ICD-10-CM?
Q31 is listed in Chapter 17, Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1), within Congenital malformations of the respiratory system (Q30-Q34) (Q30–Q34), under category Q31, Congenital malformations of larynx.
What coding notes are listed for Q31?
No inclusion terms are listed for Q31 in this reference record. No code-first instruction is listed. Excludes1 notes: congenital laryngeal stridor NOS (P28.89). No Excludes2 note is listed.
Ready to transform your clinical documentation?
Join Vero and see how effortless documentation can be.
No credit card required
Cancel anytime