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ICD-10 Coding for Cataract(H25.1, H26.33)

Complete ICD-10-CM coding and documentation guide for Cataract. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Lens OpacityClouded Lens

Related ICD-10 Code Ranges

Complete code families applicable to Cataract

H25-H28Primary Range

Disorders of lens

This range includes all types of cataracts, including age-related, congenital, and secondary cataracts.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
H25.1Age-related nuclear cataractUse when the cataract is age-related and affects the nucleus of the lens.
  • Documented yellowing or brunescence of the lens nucleus
  • Best-corrected visual acuity ≤20/50
H26.33Drug-induced cataract, bilateralUse when cataracts are caused by drug use and affect both eyes.
  • Documented use of a drug known to cause cataracts
  • Bilateral lens opacity

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for age-related nuclear cataract

Essential facts and insights about Cataract

The ICD-10 code for age-related nuclear cataract is H25.1, requiring laterality specification.

Primary ICD-10-CM Codes for cataract

Age-related nuclear cataract
Non-billable Code

Decision Criteria

clinical Criteria

  • Presence of nuclear sclerosis and age-related changes

Applicable To

  • Senile nuclear cataract

Excludes

Clinical Validation Requirements

  • Documented yellowing or brunescence of the lens nucleus
  • Best-corrected visual acuity ≤20/50

Code-Specific Risks

  • Incorrectly coding as unspecified cataract

Coding Notes

  • Ensure laterality is specified to avoid unspecified codes.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Type 2 diabetes mellitus with diabetic cataract

E11.36
Use when cataract is associated with diabetes.

Adverse effect of glucocorticoids

T38.0x5-
Use to specify the drug causing the cataract.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Traumatic cataract

H26.2
Use H26.2 when the cataract is due to trauma.

Other age-related cataracts

H25.8
Use H25.8 for age-related cataracts not specified as nuclear.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Cataract to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code H25.1.

Impact

Clinical: Inaccurate patient records, Regulatory: Non-compliance with coding standards, Financial: Potential claim denials

Mitigation Strategy

Always document and code the drug causing the cataract.

Impact

Reimbursement: May lead to claim denials or reduced reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of patient records.

Mitigation Strategy

Always specify the affected eye(s) to use the correct laterality code.

Impact

Use of unspecified codes can lead to audits.

Mitigation Strategy

Ensure documentation specifies laterality and type.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Cataract, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Cataract

Use these documentation templates to ensure complete and accurate documentation for Cataract. These templates include all required elements for proper coding and billing.

Age-related cataract in the left eye

Specialty: Ophthalmology

Required Elements

  • Visual acuity
  • Slit-lamp findings
  • Functional impact

Example Documentation

Patient presents with BCVA 20/60 in the left eye due to age-related nuclear cataract. Slit-lamp examination reveals nuclear sclerosis. Patient reports difficulty driving at night.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has cataract.
Good Documentation Example
Patient has age-related nuclear cataract in the left eye with BCVA 20/60. Slit-lamp shows nuclear sclerosis.
Explanation
The good example provides specific details about the type, laterality, and clinical findings of the cataract.

Need help with ICD-10 coding for Cataract? Ask your questions below.

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