Chapter VII

Diseases of the eye and adnexa


H40 Glaucoma
Excludes: absolute glaucoma ( H44.5 )
congenital glaucoma ( Q15.0 )
traumatic glaucoma due to birth injury ( P15.3 )
H40.0 Glaucoma suspect

Forward lens movement
Occludable angle
Ocular hypertension
Plateau iris configuration
H40.1 Primary open-angle glaucoma

Glaucoma (primary)(residual stage):
· capsular with pseudoexfoliation of lens
· chronic simple
· low-tension
· pigmentary
Juvenile open angle glaucoma
H40.2 Primary angle-closure glaucoma

Angle-closure glaucoma (primary)(residual stage):
· acute
· chronic
· intermittent
Plateau iris with glaucoma
H40.3 Glaucoma secondary to eye trauma
Angle recess glaucoma
Glaucoma secondary to:
· chemical burn
· eye surgical trauma
· radiation
Use additional code, if desired, to identify cause.
Glaucoma secondary to eye inflammation
Glaucomatocyclitic crisis [Posner-Schlossman syndrome]
Phacoanaphylactic glaucoma
Phacolytic glaucoma
Use additional code, if desired, to identify cause.
Glaucoma secondary to other eye disorders
Ghost cell glaucoma
ICE syndrome with glaucoma
Mobile lens with glaucoma
Neovascular glaucoma [NVG]
Phacomorphic glaucoma
Use additional code, if desired, to identify cause.
Glaucoma secondary to drugs
Steroid-induced glaucoma
Use additional external cause code (Chapter XX), if desired, to identify drug.
Other glaucoma
Malignant glaucoma
H40.9 Glaucoma, unspecified

H42* Glaucoma in diseases classified elsewhere
H42.0* Glaucoma in endocrine, nutritional and metabolic diseases
Glaucoma in:
· amyloidosis ( E85.-+ )
· Lowe's syndrome ( E72.0+ )
H42.8* Glaucoma in other diseases classified elsewhere
Glaucoma in carotid-cavernous fistula
Glaucoma in onchocerciasis ( B73+)