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H40.11

Primary open-angle glaucoma

Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 14 never code together
H40code
Excludes1
  • absolute glaucoma (H44.51-)H44.51-
  • congenital glaucoma (Q15.0)Q15.0
  • traumatic glaucoma due to birth injury (P15.3)P15.3
H00-H59chapter
Excludes2
  • certain conditions originating in the perinatal period (P04-P96)P04-P96
  • certain infectious and parasitic diseases (A00-B99)A00-B99
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)E09.3-E10.3-E11.3-E13.3-
  • endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
  • injury (trauma) of eye and orbit (S05.-)S05.-
  • injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
  • neoplasms (C00-D49)C00-D49
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)A50.01A50.3-A51.43A52.71

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

7th character 5
0 stage unspecified
1 mild stage
2 moderate stage
3 severe stage
4 indeterminate stage
Instructional notes 2
H40.11code
Inclusion terms
  • Chronic simple glaucoma
H00-H59chapter
Notes
  • Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
Index entries leading here 1
Alongside this code 5 same parent — H40.1
H40.10 Unspecified open-angle glaucoma category H40.12 Low-tension glaucoma category H40.13 Pigmentary glaucoma category H40.14 Capsular glaucoma with pseudoexfoliation of lens category H40.15 Residual stage of open-angle glaucoma category
Subordinate codes 4
H40.111 Primary open-angle glaucoma, right eye H40.112 Primary open-angle glaucoma, left eye H40.113 Primary open-angle glaucoma, bilateral H40.119 Primary open-angle glaucoma, unspecified eye
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
H40.1
Block
H40-H42
Siblings
5
Subordinate
4

Present FY2024–FY2027.