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ICD-10 Coding for Cataract Unspecified(H26.9, H25.9)

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

Also known as:

Unspecified CataractCataract NOS

Related ICD-10 Code Ranges

Complete code families applicable to Cataract Unspecified

H25-H28Primary Range

Disorders of lens

This range includes all cataract-related codes, covering age-related, congenital, and other types of cataracts.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
H26.9Unspecified cataractUse when the type of cataract is not specified and no age-related or diabetic etiology is documented.
  • Slit-lamp examination excluding diabetes or trauma
  • Negative galactosemia workup
H25.9Unspecified age-related cataractUse for patients over 45 with cataracts not specified as nuclear or cortical.
  • Patient age ≥45
  • LOCS III grading in chart

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 unspecified cataract

Essential facts and insights about Cataract Unspecified

The ICD-10 code for unspecified cataract is H26.9, used when the type is not specified and no age-related or diabetic etiology is documented.

Primary ICD-10-CM Codes for cataract unspecified

Unspecified cataract
Billable Code

Decision Criteria

clinical Criteria

  • No specific type or cause of cataract documented.

documentation Criteria

  • Laterality not specified.

Applicable To

  • Cataract NOS

Excludes

  • Age-related cataract (H25.-)
  • Diabetic cataract (E11.36)

Clinical Validation Requirements

  • Slit-lamp examination excluding diabetes or trauma
  • Negative galactosemia workup

Code-Specific Risks

  • Risk of denial if laterality is known but not documented.

Coding Notes

  • Ensure to document the absence of trauma or drug-induced causes when using H26.9.

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 indicate the presence of an intraocular lens.

Differential Codes

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

Unspecified age-related cataract

H25.9
Use H25.9 when the patient is over 45 and the cataract is age-related.

Unspecified cataract

H26.9
Use H26.9 when the cataract is not age-related.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Cataract Unspecified to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code H26.9.

Impact

Clinical: Inaccurate diagnosis and treatment planning., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials and revenue loss.

Mitigation Strategy

Use detailed exam notes, Include LOCS III grading

Impact

Reimbursement: Potential claim denial due to lack of specificity., Compliance: Non-compliance with coding guidelines., Data Quality: Decreased accuracy in patient records.

Mitigation Strategy

Document laterality and use specific codes for right or left eye.

Impact

High risk of audit if unspecified codes are overused.

Mitigation Strategy

Ensure detailed documentation and use specific codes when possible.

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

Documentation Templates for Cataract Unspecified

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

Unspecified Cataract Diagnosis

Specialty: Ophthalmology

Required Elements

  • Chief complaint
  • Visual acuity
  • Slit-lamp findings
  • LOCS III grading

Example Documentation

**CC:** Blurred vision OD × 3 months **Exam:** - BCVA: 20/80 uncorrected → 20/40 best corrected - Slit-lamp: NO3 NC4 C2 changes **Assessment:** Unspecified cataract (H26.9) **Plan:** Cataract surgery indicated due to glare disability

Examples: Poor vs. Good Documentation

Poor Documentation Example
Cataract noted.
Good Documentation Example
Nuclear sclerotic cataract OD causing 20/80 BCVA with glare disability.
Explanation
The good example specifies the type, laterality, and impact on vision.

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