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 Z00-Z13 – Persons encountering health services for examinations (Z00-Z13) > 2024 ICD-10-CM Codes Z03 – Encounter for medical observation for suspected diseases and conditions ruled out (Z03) > 2024 ICD-10-CM Codes Z03.8 – Encounter for observation for other suspected diseases and conditions ruled out (Z03.8) > 2024 ICD-10-CM Codes Z03.81 – Encounter for observation for suspected exposure to biological agents ruled out (Z03.81)