ICD-10-CM Diagnosis Code (2025)
Official Description for H42
Glaucoma in diseases classified elsewhere
Coding Notes & Guidelines for H42
Excludes1: Not Coded Here
- glaucoma (in) onchocerciasis (B73.02)
- glaucoma (in) syphilis (A52.71)
- glaucoma (in) tuberculous (A18.59)
Code First
- underlying condition, such as:
- amyloidosis (E85.-)
- aniridia (Q13.1)
- glaucoma (in) diabetes mellitus (E08.39, E09.39, E10.39, E11.39, E13.39)
- Lowe's syndrome (E72.03)
- Rieger anomaly (Q13.81)
- specified metabolic disorder (E70-E88)
About ICD-10-CM Code H42 (Glaucoma in diseases classified elsewhere)
ICD-10-CM code H42 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM H42 became effective on October 1, 2024.
This page provides detailed information about H42 - Glaucoma in diseases classified elsewhere. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Glaucoma in diseases classified elsewhere.