H40.6 Glaucoma secondary to drugs

Non-billable header with 4 child codes.

Use additional code

• code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

7th character note

• One of the following 7th characters is to be assigned to each code in subcategory H40.6 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 H40.6

• H40.60 Glaucoma secondary to drugs, unspecified eye
• H40.61 Glaucoma secondary to drugs, right eye
• H40.62 Glaucoma secondary to drugs, left eye
• H40.63 Glaucoma secondary to drugs, bilateral

Code annotations containing back-references to H40.6

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 H40.6

• Glaucoma › secondary (to) › drugs

Nearby codes

• H40.53X0 Glaucoma secondary to other eye disorders, bilateral, stage unspecified
• H40.53X1 Glaucoma secondary to other eye disorders, bilateral, mild stage
• H40.53X2 Glaucoma secondary to other eye disorders, bilateral, moderate stage
• H40.53X3 Glaucoma secondary to other eye disorders, bilateral, severe stage
• H40.53X4 Glaucoma secondary to other eye disorders, bilateral, indeterminate stage
• H40.6 Glaucoma secondary to drugs (this code)
• H40.60 Glaucoma secondary to drugs, unspecified eye
• H40.60X0 Glaucoma secondary to drugs, unspecified eye, stage unspecified
• H40.60X1 Glaucoma secondary to drugs, unspecified eye, mild stage
• H40.60X2 Glaucoma secondary to drugs, unspecified eye, moderate stage
• H40.60X3 Glaucoma secondary to drugs, unspecified eye, severe stage