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ICD-10 Guide
DiagnosesAge Related Nuclear Cataract Bilateral

Age Related Nuclear Cataract Bilateral

ICD-10 Coding for Age-Related Nuclear Cataract, Bilateral(H25.13)

PRIMARY SPECIALTYOphthalmology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Age Related Nuclear Cataract Bilateral?
Essential facts and insights about Age-Related Nuclear Cataract, Bilateral

Key Clinical Considerations:

  • Presence of visual impairment or decreased visual acuity, particularly in bright light or when reading.
  • Observation of nuclear opacities during slit-lamp examination, characterized by a yellow-brown discoloration of the lens.
  • Patient-reported symptoms such as glare, halos around lights, or difficulty with night vision.
  • No significant findings on imaging studies, as cataracts are primarily diagnosed through physical examination.
  • Severity can be assessed using the Lens Opacities Classification System III (LOCS III) for staging.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Complete patient history including onset and progression of symptoms.
  • Specific terminology such as 'bilateral age-related nuclear cataract' must be used in the documentation.
  • Examples include: 'Patient presents with bilateral nuclear cataracts affecting vision.'
  • Documentation must demonstrate medical necessity for cataract surgery or other interventions.
  • Quality measures may include visual acuity assessments and patient-reported outcomes.

Coding Guidelines

Usage Guidelines & Examples

  • Use this diagnosis code when a patient has bilateral nuclear cataracts confirmed by examination.
  • Do not use this code for unilateral cataracts or other types of cataracts such as cortical or posterior subcapsular.
  • Similar codes include H25.12 (Age-related nuclear cataract, right eye) and H25.11 (Age-related nuclear cataract, left eye).
  • Common errors include coding bilateral cataracts as unilateral or failing to specify the type of cataract.
  • In complex cases, ensure to document all relevant findings and consider additional codes for associated conditions.

Code Exclusions

Important Exclusions

  • Excludes congenital cataracts, traumatic cataracts, and cataracts due to systemic diseases.
  • Alternative codes for excluded conditions include Q12 (Congenital cataract) and H26 (Other cataract).
  • Conditions are excluded as they have different etiologies and treatment protocols.
  • Common mistakes include misclassifying age-related cataracts as congenital or traumatic.
  • Related but distinct conditions include cortical cataracts and posterior subcapsular cataracts.

Related ICD-10 Codes

Primary Codes
H25.13
Age-related nuclear cataract, bilateral
H25.12
Age-related nuclear cataract, right eye
Ancillary Codes
Z00.00
Z96.1
Differential Codes
H25.0
E08.36

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Ophthalmology

Specialty Applications

  • Applies to patients with age-related cataracts typically over the age of 60.
  • Patient populations include older adults, particularly those with risk factors such as diabetes or prolonged UV exposure.
  • Clinical settings include outpatient ophthalmology clinics and inpatient surgical centers.
  • Specialty-specific applications are relevant in ophthalmology and optometry.
  • Treatment contexts include pre-operative assessments for cataract surgery.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Template: 'Patient diagnosed with bilateral age-related nuclear cataract based on clinical findings of lens opacities.'

Template 2

Template: 'Clinical presentation consistent with bilateral cataracts including decreased visual acuity and glare.'

Template 3

Template: 'Diagnostic criteria for cataract met as evidenced by slit-lamp examination findings.'

Template 4

Template: 'Treatment plan initiated for bilateral cataracts with scheduled cataract surgery.'

Template 5

Template: 'Follow-up care for bilateral cataracts including monitoring of visual acuity and post-operative recovery.'

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What documentation is required for this diagnosis?

Documentation must include clinical findings, patient history, and visual acuity assessments.

How does this differ from similar diagnoses?

Age-related nuclear cataracts are characterized by specific lens opacities and symptoms distinct from other cataract types.

What are common billing considerations?

Ensure to document medical necessity and any co-existing conditions that may affect reimbursement.

What procedures are typically associated?

Commonly associated procedures include cataract extraction and lens implantation.

Are there any quality reporting implications?

Quality measures may include visual acuity outcomes and patient satisfaction surveys post-surgery.