Q31.0 – Web of larynx

ICD-10-CM 2027 diagnosis code · Congenital malformations of the respiratory system

Billable code

ICD-10-CM code Q31.0

Code: Q31.0 (claims format: Q310)
Description: Web of larynx
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: Q30-Q34 Congenital malformations of the respiratory system
Parent codes: Q31

Notes for Q31.0

Applicable to:

Glottic web of larynx
Subglottic web of larynx
Web of larynx NOS

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Q31 – Congenital malformations of larynx

Excludes1 (not coded here):

congenital laryngeal stridor NOS (P28.89)

Index terms for Q31.0

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Q31

Q31.1 – Congenital subglottic stenosisBillable
Q31.2 – Laryngeal hypoplasiaBillable
Q31.3 – LaryngoceleBillable
Q31.5 – Congenital laryngomalaciaBillable
Q31.8 – Other congenital malformations of larynxBillable
Q31.9 – Congenital malformation of larynx, unspecifiedBillable

Frequently asked questions

What is ICD-10 code Q31.0?

Q31.0 is the ICD-10-CM code for web of larynx, in the block Q30-Q34 (Congenital malformations of the respiratory system).

Is Q31.0 a billable code?

Yes. Q31.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Q31.0 belong to?

It belongs to category Q31 – Congenital malformations of larynx.

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.