Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes Z00-Z99 – Factors influencing health status and contact with health services (Z00-Z99) > 2024 ICD-10-CM Codes Z77-Z99 – Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99) > 2024 ICD-10-CM Codes Z91 – Personal risk factors, not elsewhere classified (Z91) > 2024 ICD-10-CM Codes Z91.0 – Allergy status, other than to drugs and biological substances (Z91.0) > 2024 ICD-10-CM Codes Z91.04 – Nonmedicinal substance allergy status (Z91.04)