A69.0 Necrotizing ulcerative stomatitis

The ICD-10-CM code for Necrotizing ulcerative stomatitis is A69.0 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

1: Certain infectious and parasitic diseases (A00-B99)

Section

A65-A69: Other spirochetal diseases (A65-A69)

Category A69

11 codes (9 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to A69.0:

• Cancrum oris
• Noma (gangrenous) (hospital) (infective)
• Noma (gangrenous) (hospital) (infective) › mouth
• Stomatitis (denture) (ulcerative) › gangrenous
• Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) › stomatitis
• Necrosis, necrotic (ischemic) › stomatitis (ulcerative)
• Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) › fusospirochetal
• Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) › mouth

Inclusion Terms

• Cancrum oris
• Fusospirochetal gangrene
• Noma
• Stomatitis gangrenosa

U.S. Hospital Utilization

• An estimated 60 U.S. inpatient stays in 2016 included A69.0 among the documented diagnoses.

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

HIV Infections (TOC entry)

a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19

Infectious agents causing diseases in other chapters (TOC)

b. Infectious agents as the cause of diseases classified to other chapters ................................. 22

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)