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ICD-10-CM 2027 diagnosis code

H11.4Other conjunctival vascular disorders and cysts

Not billable — use a more specific code

H11.4 is a header code, so it can't be reported by itself. Choose one of the 4 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About H11.4

H11.4 is the ICD-10-CM diagnosis code for other conjunctival vascular disorders and cysts. It belongs to category H11 (other disorders of conjunctiva), block H10-H11 (disorders of conjunctiva) and chapter 7 (diseases of the eye and adnexa). It is a header code, so it can't be reported by itself; one of its 4 subcodes must be used instead.

Within H11, choose H11.4 (Other conjunctival vascular disorders and cysts) only when documentation doesn't support a more specific option: pterygium of eye (H11.0), conjunctival degenerations and deposits (H11.1), conjunctival scars (H11.2), conjunctival hemorrhage (H11.3), other specified disorders of conjunctiva (H11.8) and unspecified disorder of conjunctiva (H11.9).

To report this condition, pick the subcode that matches the documentation: H11.41 (conjunctiva), H11.42 (edema), H11.43 (hyperemia) and H11.44 (cysts).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under H11.4

Notes that apply from higher levels

Instructions written at a parent level also apply to H11.4.

› From H11 Other disorders of conjunctiva
Excludes1

Broader instructions also apply from Chapter 7: Diseases of the eye and adnexa.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about H11.4

Is H11.4 billable?

No. H11.4 is a header code. Report one of its more specific subcodes instead.