Q30.8 Other congenital malformations of nose

The ICD-10-CM code for Other congenital malformations of nose is Q30.8 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

17: Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

Section

Q30-Q34: Congenital malformations of the respiratory system (Q30-Q34)

Category Q30

7 codes (6 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to Q30.8:

• Accessory (congenital) › nose
• Glioma (malignant) › nose
• Anomaly, anomalous (congenital) (unspecified type) › nasal sinus (wall)
• Distortion (s) (congenital) › nose
• Anomaly, anomalous (congenital) (unspecified type) › nose, nasal (bones) (cartilage) (septum) (sinus) › specified NEC
• Malformation (congenital) › nose › specified type NEC
• Malposition › congenital › nose, nasal (septum)
• Deformity › nose (acquired) (cartilage) › sinus (wall) (congenital)

Inclusion Terms

• Accessory nose
• Congenital anomaly of nasal sinus wall

U.S. Hospital Utilization

• An estimated 580 U.S. inpatient stays in 2023 included Q30.8 among the documented diagnoses.
• 100 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

POA indicator for congenital conditions/anomalies and Q00-Q99 exception

Congenital conditions and anomalies Assign “Y” for congenital conditions and anomalies except for categories Q00- Q99, Congenital anomalies, which are on the exempt list. Congenital conditions are always considered present on admission.

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)