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H40.10 - Unspecified open-angle glaucoma


The ICD 10 Code for Unspecified open-angle glaucoma is listed as H40.10.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: H40.10
Description: Unspecified open-angle glaucoma
  • One of the following 7th characters is to be assigned to code H40.10 to designate the stage of glaucoma
  • 0 - stage unspecified
  • 1 - mild stage
  • 2 - moderate stage
  • 3 - severe stage
  • 4 - indeterminate stage
Chapter Diseases of the eye and adnexa (H00-H59)
Block Glaucoma (H40-H42)
Parent H40.1 - Open-angle glaucoma
ICD-10-CM Siblings (same level / similar specificity) of H40.10:
H40.11 - Primary open-angle glaucoma
H40.12 - Low-tension glaucoma
H40.13 - Pigmentary glaucoma
H40.14 - Capsular glaucoma with pseudoexfoliation of lens
H40.15 - Residual stage of open-angle glaucoma