ICD-10-CM 2027 diagnosis code
H44.4Hypotony of eye
H44.4 is a header code, so it can't be reported by itself. Choose one of the 5 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 H44.4
H44.4 is the ICD-10-CM diagnosis code for hypotony of eye. It belongs to category H44 (disorders of globe), block H43-H44 (disorders of vitreous body and globe) 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 5 subcodes must be used instead.
Within H44 (disorders of globe), H44.4 is specifically for hypotony of eye. Related codes cover purulent endophthalmitis (H44.0), other endophthalmitis (H44.1), degenerative myopia (H44.2), other and unspecified degenerative disorders of globe (H44.3), degenerated conditions of globe (H44.5), retained (old) intraocular foreign body, magnetic (H44.6), retained (old) intraocular foreign body, nonmagnetic (H44.7), other disorders of globe (H44.8) and 1 more.
To report this condition, pick the subcode that matches the documentation: H44.40 (eye), H44.41 (eye), H44.42 (due to ocular fistula), H44.43 (due to other ocular disorders) and H44.44 (eye).
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 H44.4
Notes that apply from higher levels
Instructions written at a parent level also apply to H44.4.
› From H44 Disorders of globe
- disorders affecting multiple structures of eye
Broader instructions also apply from Chapter 7: Diseases of the eye and adnexa.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about H44.4
Is H44.4 billable?
- No. H44.4 is a header code. Report one of its more specific subcodes instead.