H42 Billable Code
Glaucoma in diseases classified elsewhere
Effective From: 10/01/2016
Chapter Classification
Chapter 7
Diseases of the eye and adnexa (H00-H59)
Section Detail
H40-H42
Glaucoma (H40-H42)
Coding Guidelines & Notes
codeFirst
- 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)
excludes1
- glaucoma (in) onchocerciasis (B73.02)
- glaucoma (in) syphilis (A52.71)
- glaucoma (in) tuberculous (A18.59)
- neovascular secondary angle closure glaucoma (H40.84-)
OPPS Editing Flags
External Cause
No
Mental Health
No
Manifestation (Edit 89)
Yes
Code First Applicable This code represents a manifestation of an underlying disease. The underlying condition must be coded first as the principal diagnosis.
No
Unacceptable PDX (Edit 113)
No
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