ICD-10-CM 2027
ICD-10 code for aqueous misdirection
From the official ICD-10-CM alphabetic index entry “Aqueous misdirection”. Page updated September 29, 2026.
About coding aqueous misdirection
The ICD-10-CM code for aqueous misdirection is H40.83 (Aqueous misdirection).
Within H40.8 (other glaucoma), H40.83 is specifically for aqueous misdirection. Related codes cover glaucoma with increased episcleral venous pressure (H40.81), hypersecretion glaucoma (H40.82), Neovascular secondary angle closure glaucoma (H40.84) and other specified glaucoma (H40.89).
To report this condition, pick the subcode that matches the documentation: H40.831 (right eye), H40.832 (left eye), H40.833 (bilateral) and H40.839 (unspecified eye).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.