H25.9 — Unspecified age-related cataract
H25.9

What this code means
An age-related cataract is clouding of the eye's lens with ageing, the commonest cause of reversible blindness worldwide.
Also called: age-related cataract, senile cataract.
When this code is used
Used for unspecified age-related cataract.
Where it sits in ICD-10-CM
Code H25.9 belongs to Chapter 7: Diseases of the eye and adnexa, which covers codes H00–H59 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
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Related anatomy
Frequently asked questions
What is ICD-10-CM code H25.9?
H25.9 is the ICD-10-CM diagnosis code for “Unspecified age-related cataract”. An age-related cataract is clouding of the eye's lens with ageing, the commonest cause of reversible blindness worldwide.
When is code H25.9 used?
Used for unspecified age-related cataract. It belongs to Chapter 7 of ICD-10-CM (Diseases of the eye and adnexa).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.
More codes in Chapter 7
H00.019 — Hordeolum externum unspecified eye, unspecified eyelid
H01.009 — Unspecified blepharitis unspecified eye, unspecified eyelid
H04.123 — Dry eye syndrome of bilateral lacrimal glands
H10.33 — Unspecified acute conjunctivitis, bilateral
H10.9 — Unspecified conjunctivitis
H25.13 — Age-related nuclear cataract, bilateral