Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes H00-H59 – Diseases of the eye and adnexa (H00-H59) > 2024 ICD-10-CM Codes H40-H42 – Glaucoma (H40-H42) > 2024 ICD-10-CM Codes H40 – Glaucoma > 2024 ICD-10-CM Codes H40.0 – Glaucoma suspect (H40.0) > 2024 ICD-10-CM Codes H40.03 – Anatomical narrow angle (H40.03)