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2025 ICD-10-CM code H26.9

Unspecified cataract.

Always try to code to the highest level of specificity. Use H26.9 only when the type of cataract is truly unspecified.

Medical necessity for intervention (such as cataract surgery) is based on the severity of visual impairment and its impact on the patient's daily life. Documentation should support the need for the intervention by describing the functional limitations caused by the cataract.

Diagnosis and management of cataracts falls under the purview of ophthalmologists.They are responsible for evaluating the patient's vision, determining the type and severity of the cataract, and recommending appropriate treatment, which may include surgery or other interventions.

IMPORTANT:Consider other H26 codes if the type of cataract is known (e.g., H26.0 for infantile/juvenile, H26.1 for traumatic, H26.2 for complicated, H26.3 for drug-induced, H26.4 for after-cataract).For congenital cataracts, use Q12.0.

In simple words: This code refers to a cloudy lens in the eye (a cataract) where the specific type is unknown.

This code is used when the type of cataract is not specified or documented. It includes cataracts that are not otherwise classified in the H25-H28 range.

Example 1: A 70-year-old patient presents with blurry vision. Upon examination, the ophthalmologist diagnoses a cataract, but the specific type is not documented, so H26.9 is used., A patient's medical record states "cataract" with no further details.In the absence of more specific information, H26.9 is the appropriate code., A patient has a history of cataracts and is experiencing worsening vision.If the documentation does not specify the type of cataract, H26.9 is used.

Documentation should include details about the patient's visual symptoms, the presence of a cataract confirmed through examination (e.g., slit-lamp biomicroscopy), and any associated conditions. If the type of cataract can be determined, it should be documented for more specific coding.

** Excludes1: congenital cataract (Q12.0)

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