H44.421Billable
Hypotony of right eye due to ocular fistula
- Chapter
- 7. Diseases of the eye and adnexa
- Category
- H44
- Effective date
- October 1, 2026
Related codes in category H44
H44Disorders of globeH44.0Purulent endophthalmitisH44.00Unspecified purulent endophthalmitisH44.001Unspecified purulent endophthalmitis, right eyeYesH44.002Unspecified purulent endophthalmitis, left eyeYesH44.003Unspecified purulent endophthalmitis, bilateralYesH44.009Unspecified purulent endophthalmitis, unspecified eyeYesH44.01Panophthalmitis (acute)H44.011Panophthalmitis (acute), right eyeYesH44.012Panophthalmitis (acute), left eyeYesH44.013Panophthalmitis (acute), bilateralYesH44.019Panophthalmitis (acute), unspecified eyeYes
Frequently asked questions
What is ICD-10 code H44.421?
H44.421 is an ICD-10-CM diagnosis code for Hypotony of right eye due to ocular fistula.
Is H44.421 a billable code?
Yes. H44.421 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is H44.421 in?
H44.421 falls under Chapter 7: Diseases of the eye and adnexa.
When did H44.421 become effective?
H44.421 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to H44.421?
H44.421 belongs to category H44, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.