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H42 Glaucoma in diseases classified elsewhere

ICD-10-CM category H42 sits in Chapter 7 (Diseases of the eye and adnexa, H00-H59). It contains 1 billable code for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

The category code H42 itself is billable for FY2027: no more specific code exists under it.

Billable codes in H42

CodeDescription
H42Glaucoma in diseases classified elsewhere

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