H40.10Non-billable
Unspecified open-angle glaucoma
Chapter 7: Diseases of the eye and adnexa
Coding Guidance
H40.10 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.
7th Character Information
One of the following 7th characters is to be assigned to code H40.10 to designate the stage of glaucoma
7th Character Values:
- •0: stage unspecified
- •1: mild stage
- •2: moderate stage
- •3: severe stage
- •4: indeterminate stage
Additional Information from Parent Codes
The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.
Parent Codes Referenced:
Excludes2
11 items
Excludes2
From H00-H59:
- •certain conditions originating in the perinatal period (P04-P96)
- •certain infectious and parasitic diseases (A00-B99)
- •
- •congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- •
- •endocrine, nutritional and metabolic diseases (E00-E88)
- •injury (trauma) of eye and orbit (S05.-)
- •injury, poisoning and certain other consequences of external causes (S00-T88)
- •neoplasms (C00-D49)
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- •
Notes
1 item
Notes
From H00-H59:
- •Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition