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ICD-10 Coding for Cataracts(H25.0, H26.1, H26.33)

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

Also known as:

Lens OpacityClouding of the Lens

Related ICD-10 Code Ranges

Complete code families applicable to Cataracts

H25-H26Primary Range

Cataract

This range includes all types of cataracts, including age-related, traumatic, and drug-induced.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
H25.0Age-related nuclear cataractUse when nuclear sclerosis is confirmed in patients over 50 with gradual vision loss.
  • Nuclear sclerosis on slit-lamp exam
  • Gradual vision loss in patients >50 years
H26.1Traumatic cataractUse when cataract results directly from ocular trauma.
  • Documented ocular trauma history
  • Visible lens disruption
H26.33Drug-induced cataract, bilateralUse when cataracts are caused by medication, affecting both eyes.
  • History of drug use known to cause cataracts
  • Bilateral lens changes

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 cataracts

Essential facts and insights about Cataracts

The ICD-10 code for age-related nuclear cataracts is H25.0, used for patients over 50 with nuclear sclerosis.

Primary ICD-10-CM Codes for cataracts

Age-related nuclear cataract
Non-billable Code

Decision Criteria

clinical Criteria

  • Patient age over 50 with nuclear sclerosis

Applicable To

  • Nuclear sclerosis

Excludes

  • Traumatic cataract (H26.1)

Clinical Validation Requirements

  • Nuclear sclerosis on slit-lamp exam
  • Gradual vision loss in patients >50 years

Code-Specific Risks

  • Misclassification if not age-related

Coding Notes

  • Ensure age-related etiology is documented.

Ancillary Codes

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

Presence of intraocular lens

Z96.1
Use post-cataract surgery to document pseudophakia.

Differential Codes

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

Traumatic cataract

H26.1
History of ocular trauma and visible lens disruption.

Age-related nuclear cataract

H25.0
No history of trauma, gradual onset.

Unspecified age-related cataract

H25.9
No drug causation, age-related.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Cataracts to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code H25.0.

Impact

Clinical: Inadequate assessment of visual impairment., Regulatory: Non-compliance with payer requirements., Financial: Potential claim denials.

Mitigation Strategy

Include glare testing in all cataract evaluations.

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Use specific H25.21-23 for Morgagnian type

Impact

Frequent omission leads to audit flags.

Mitigation Strategy

Standardize glare testing documentation in templates.

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 Cataracts, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Cataracts

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

Cataract surgery evaluation

Specialty: Ophthalmology

Required Elements

  • Chief complaint
  • Best-corrected visual acuity
  • Slit-lamp findings
  • Functional impact

Example Documentation

Patient reports difficulty reading and driving at night due to glare. BCVA: 20/60 OD, 20/50 OS. Slit-lamp: 3+ NS OD, 2+ cortical OS.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Cataract noted.
Good Documentation Example
3+ nuclear sclerotic cataract OD with posterior subcapsular component, glare testing reduces BCVA from 20/40 to 20/200.
Explanation
The good example provides specific clinical findings and functional impact.

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

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