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H40.20 Billable Code

Unspecified primary angle-closure glaucoma

Chapter Classification

Chapter 7 Diseases of the eye and adnexa (H00-H59)

Section Detail

H40-H42 Glaucoma (H40-H42)

Code Hierarchy

This code is a child of H40.2.

Coding Guidelines & Notes

sevenChrDef
  • {'char': '0', 'text': 'stage unspecified'}
  • {'char': '1', 'text': 'mild stage'}
  • {'char': '2', 'text': 'moderate stage'}
  • {'char': '3', 'text': 'severe stage'}
  • {'char': '4', 'text': 'indeterminate stage'}
sevenChrNote
  • One of the following 7th characters is to be assigned to code H40.20 to designate the stage of glaucoma

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