ICD-10 Coding
The AAAAI is your source for ICD-10 information and resources. The ICD-10 system is revised often by the the International Statistical Classification of Diseases and Related Health Problems (ICD), a medical classification list by the World Health Organization.
Centers for Medicare & Medicaid Services (CMS) released the 2026 ICD-10-CM diagnosis code updates related to allergy, effective October 1, 2025. View the codes. 
2026 ICD-10 Superbill Template
Additional Coding Resources
Adverse Reactions and Anaphylaxis Related Codes
Asthma
Ears and Eyes
Immunology
Other Diagnosis Codes (Including comorbidities/risk factors)
Respiratory Conditions
Rhinitis
Signs/Symptoms/Abnormalities
Sinus Disorders
Urticaria
Items which appear next to a 
symbol are for AAAAI members only.
Specific coding questions? Ask us at: coding@aaaai.org. Your AAAAI coding resource staff will reply as quickly as possible.
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11/4/2025