H40.84

Neovascular secondary angle closure glaucoma

Not billable — category only FY2026 2025-10-01 → 2026-09-30 FY2026–2027 only

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)A50.01 A50.3-A51.43 A52.71

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.

Instructional notes 5

H40.84code

Code first

the underlying condition such as:
central retinal vein occlusion (H34.81)H34.81
diabetes mellitus (E08.39, E09.39, E10.39, E11.39, E13.39)E08.39 E09.39 E10.39 E11.39 E13.39
retinal ischemia (H35.82)H35.82

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

Glaucoma H40.9
- angle-closure (primary) H40.20
  - secondary, neovascular H40.84
- neovascular secondary angle closure H40.84

Alongside this code 4 same parent — H40.8

H40.81 Glaucoma with increased episcleral venous pressure category H40.82 Hypersecretion glaucoma category H40.83 Aqueous misdirection category H40.89 Other specified glaucoma

Subordinate codes 4

H40.841 Neovascular secondary angle closure glaucoma, right eye H40.842 Neovascular secondary angle closure glaucoma, left eye H40.843 Neovascular secondary angle closure glaucoma, bilateral H40.849 Neovascular secondary angle closure glaucoma, unsp

Medications 2

128 Glaucoma, Angle-Closure drugs 45 Glaucoma, Open-Angle drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

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.

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This code

Billable: no
Code set: FY2026
Parent: H40.8
Block: H40-H42
Siblings: 4
Subordinate: 4

Present FY2026–FY2027.