H40.21Non-billable (header)
Acute angle-closure glaucoma
Sub-codes of H40.21(4)
H40.21 is a non-billable header. Select a sub-code to bill.
Code Hierarchy
┌7Diseases of the eye and adnexa (H00-H59)├H40-H42Glaucoma (H40-H42)├H40Glaucoma
└H40.21Acute angle-closure glaucoma
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