H40.5 Glaucoma secondary to other eye disorders

Non-billable header with 4 child codes.

Code also

• underlying eye disorder

7th character note

• One of the following 7th characters is to be assigned to each code in subcategory H40.5 to designate the stage of glaucoma

7th character required

• 0 — stage unspecified
• 1 — mild stage
• 2 — moderate stage
• 3 — severe stage
• 4 — indeterminate stage

Applies from H40 Glaucoma

Excludes1 (never code together)

• absolute glaucoma (H44.51-)
• congenital glaucoma (Q15.0)
• traumatic glaucoma due to birth injury (P15.3)

Codes under H40.5

• H40.50 Glaucoma secondary to other eye disorders, unspecified eye
• H40.51 Glaucoma secondary to other eye disorders, right eye
• H40.52 Glaucoma secondary to other eye disorders, left eye
• H40.53 Glaucoma secondary to other eye disorders, bilateral

Code annotations containing back-references to H40.5

Back-references to H40

• Use Additional: E08.39 Diabetes mellitus due to underlying condition with other diabetic ophthalmic complication ("diabetic glaucoma (H40-H42)")
• Use Additional: E09.39 Drug or chemical induced diabetes mellitus with other diabetic ophthalmic complication ("diabetic glaucoma (H40-H42)")
• Use Additional: E10.39 Type 1 diabetes mellitus with other diabetic ophthalmic complication ("diabetic glaucoma (H40-H42)")
• Use Additional: E11.39 Type 2 diabetes mellitus with other diabetic ophthalmic complication ("diabetic glaucoma (H40-H42)")
• Use Additional: E13.39 Other specified diabetes mellitus with other diabetic ophthalmic complication ("diabetic glaucoma (H40-H42)")
• Code First: H26.23 Glaucomatous flecks (subcapsular) ("underlying glaucoma (H40-H42)")

Diagnosis Index entries for H40.5

• Glaucoma › secondary (to)

Nearby codes

• H40.43X0 Glaucoma secondary to eye inflammation, bilateral, stage unspecified
• H40.43X1 Glaucoma secondary to eye inflammation, bilateral, mild stage
• H40.43X2 Glaucoma secondary to eye inflammation, bilateral, moderate stage
• H40.43X3 Glaucoma secondary to eye inflammation, bilateral, severe stage
• H40.43X4 Glaucoma secondary to eye inflammation, bilateral, indeterminate stage
• H40.5 Glaucoma secondary to other eye disorders (this code)
• H40.50 Glaucoma secondary to other eye disorders, unspecified eye
• H40.50X0 Glaucoma secondary to other eye disorders, unspecified eye, stage unspecified
• H40.50X1 Glaucoma secondary to other eye disorders, unspecified eye, mild stage
• H40.50X2 Glaucoma secondary to other eye disorders, unspecified eye, moderate stage
• H40.50X3 Glaucoma secondary to other eye disorders, unspecified eye, severe stage