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H53.013

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H53.013 - Deprivation Amblyopia, Bilateral

Short Definition

Bilateral deprivation amblyopia, a visual developmental disorder affecting both eyes caused by visual deprivation during critical developmental periods.

Long Definition

Deprivation amblyopia, bilateral (H53.013) is a type of amblyopia ex anopsia affecting both eyes simultaneously. This condition occurs when visual development is impaired due to deprivation of clear visual images during the critical period of visual system development, typically in early childhood. Deprivation amblyopia results from conditions that obstruct or distort visual input to both eyes, such as bilateral congenital cataracts, severe bilateral ptosis, corneal opacities, or other media opacities that prevent normal visual stimulation. Unlike other forms of amblyopia, deprivation amblyopia is considered the most severe form and can result in profound visual impairment if not treated promptly. The bilateral nature means both visual pathways are affected, making early detection and intervention critical for optimal visual outcomes.

Area of Body

Eyes (Bilateral) - Visual System

  • Bilateral visual pathways
  • Occipital cortex (visual processing centers)
  • Retina and optic pathways of both eyes
  • Affects the visual cortex development bilaterally

Code Hierarchy/Tree

H00-H59: Diseases of the eye and adnexa  
└─ H53-H54: Visual disturbances and blindness  
└─ H53: Visual disturbances  
└─ H53.0: Amblyopia ex anopsia  
└─ H53.00: Unspecified amblyopia  
└─ H53.01: Deprivation amblyopia  
	├─ [[H53.011]]: Deprivation amblyopia, right eye  
	├─ [[H53.012]]: Deprivation amblyopia, left eye  
	├─ **[[H53.013: Deprivation amblyopia, bilateral**  
	└─ [[H53.019]]: Deprivation amblyopia, unspecified eye  
		└─ H53.02: Refractive amblyopia  
		└─ H53.03: Strabismic amblyopia  
		└─ H53.04: Amblyopia suspect

Includes

  • Bilateral lazy eye due to visual deprivation
  • Bilateral amblyopia caused by occlusion of visual axis in both eyes
  • Bilateral amblyopia secondary to congenital cataracts
  • Bilateral amblyopia due to corneal opacities
  • Bilateral form deprivation amblyopia
  • Bilateral stimulus deprivation amblyopia
  • Visual developmental disorder affecting both eyes due to deprivation

Excludes 1

  • E50.5 - Vitamin A deficiency with xerophthalmia (amblyopia due to vitamin A deficiency is coded separately)
  • Amblyopia not classified as deprivation type

Excludes 2

  • H50.- - Strabismus (strabismic amblyopia is coded to H53.03-)
  • Other types of amblyopia:
    • H53.00-: Unspecified amblyopia
    • H53.02-: Refractive amblyopia
    • H53.03-: Strabismic amblyopia
    • H53.04-: Amblyopia suspect

HCC Information

HCC Status: Non-HCC (Not a Hierarchical Condition Category)

  • This diagnosis does not map to any HCC category
  • Does not impact risk adjustment scoring for Medicare Advantage plans
  • Not considered a chronic or high-cost condition for risk adjustment purposes

RVU Information

wRVU (Work Relative Value Units): N/A

  • ICD-10 diagnosis codes do not have assigned work RVUs
  • RVUs apply to CPT procedure codes only
  • This is a diagnostic code used for documentation and medical necessity

Total RVU: N/A (diagnosis code)

Assistant Surgeon: N/A

  • Assistant surgeon indicators apply to surgical CPT codes
  • Not applicable to diagnostic ICD-10 codes

MS-DRG Information

MS-DRG Assignment: H53.013 may group to MS-DRG 123-125: Neurological Eye Disorders depending on:

  • Principal diagnosis
  • Presence of MCC (Major Complications/Comorbidities)
  • Presence of CC (Complications/Comorbidities)
  • Other secondary diagnoses
  • Procedures performed

Note:

As a secondary diagnosis, this code typically does not drive DRG assignment unless it is the principal reason for admission.

Common CPT Codes Used With H53.013

Evaluation & Management

  • 92002 - Ophthalmological services: medical examination and evaluation with initiation of diagnostic and treatment program; intermediate, new patient
  • 92004 - Ophthalmological services: medical examination and evaluation with initiation of diagnostic and treatment program; comprehensive, new patient, 1 or more visits
  • 92012 - Ophthalmological services: medical examination and evaluation, with initiation or continuation of diagnostic and treatment program; intermediate, established patient
  • 92014 - Ophthalmological services: medical examination and evaluation, with initiation or continuation of diagnostic and treatment program; comprehensive, established patient, 1 or more visits

Diagnostic Testing

  • 92083 - Visual field examination, unilateral or bilateral, with interpretation and report; extended examination
  • 92201 - Ophthalmoscopy, extended; with retinal drawing and scleral depression of peripheral retinal disease
  • 92250 - Fundus photography with interpretation and report
  • 92284 - Diagnostic dark adaptation examination with interpretation and report
  • 92060 - Sensorimotor examination with multiple measurements of ocular deviation

Treatment Procedures

  • 0687T - Treatment of amblyopia using an online digital program; device supply, educational set-up, and initial session (Category III CPT code)
  • 0688T - Treatment of amblyopia using an online digital program; assessment of patient performance and program data by physician or other qualified health care professional, with report, per calendar month
  • 92065 - Orthoptic and/or pleoptic training, with continuing medical direction and evaluation
  • 66820 - Discission of secondary membranous cataract (opacified posterior lens capsule and/or anterior hyaloid); laser surgery (YAG laser)
  • 66821 - Discission of secondary membranous cataract, surgical

Surgical Procedures (if treating underlying cause)

  • 66982 - Extracapsular cataract removal with insertion of intraocular lens prosthesis (1-stage procedure), manual or mechanical technique
  • 66984 - Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure), manual or mechanical technique, complex
  • 67901 - Repair of blepharoptosis; frontalis muscle technique with suture or other material
  • 65435 - Removal of corneal epithelium; with or without chemocauterization (abrasion, curettage)

Common Modifiers

ModifierDescriptionUsage with H53.013
-LTLeft sideNot typically used - bilateral condition
-RTRight sideNot typically used - bilateral condition
-50Bilateral procedureMay be used with bilateral procedures treating underlying cause
-22Increased procedural servicesUsed when procedure complexity increases due to bilateral involvement
-25Significant, separately identifiable E/M serviceUsed when E/M service is provided on same day as procedure
-51Multiple proceduresWhen multiple procedures performed same session
-59Distinct procedural serviceTo indicate separate procedure when needed

Coding Examples

Example 1: Pediatric Patient with Bilateral Congenital Cataracts

Scenario: 6-month-old infant presents with bilateral congenital cataracts causing deprivation amblyopia. Both eyes show visual deprivation.

Coding:

  • Principal Diagnosis: H53.013 - Deprivation amblyopia, bilateral
  • Secondary Diagnosis: Q12.0 - Congenital cataract
  • CPT Code: 66984-50 - Extracapsular cataract removal with IOL insertion, bilateral
  • Modifier: -50 (Bilateral procedure)

Documentation: Document visual acuity testing both eyes, presence of bilateral congenital cataracts, amblyopia diagnosis with evidence of delayed visual development bilaterally.

Example 2: Follow-up Amblyopia Treatment

Scenario: 8-year-old with history of bilateral ptosis surgically corrected 2 years ago, now receiving digital amblyopia therapy for residual bilateral deprivation amblyopia.

Coding:

  • Primary Diagnosis: H53.013 - Deprivation amblyopia, bilateral
  • Secondary Diagnosis: Z87.898 - Personal history of other specified conditions (history of ptosis surgery)
  • CPT Code: 0687T - Treatment of amblyopia using online digital program, initial session
  • Follow-up: 0688T - Monthly assessment of digital program (subsequent months)

Documentation: Document baseline visual acuity both eyes, previous surgical correction of ptosis, current amblyopia therapy plan, patient/parent education provided.

Example 3: Comprehensive Ophthalmologic Exam

Scenario: 5-year-old new patient with bilateral deprivation amblyopia due to previously untreated bilateral corneal scarring, referred for comprehensive evaluation.

Coding:

  • Primary Diagnosis: H53.013 - Deprivation amblyopia, bilateral
  • Secondary Diagnosis: H17.9 - Corneal scar and opacity, unspecified
  • CPT Code: 92004 - Comprehensive ophthalmological examination, new patient
  • Additional: 92083 - Visual field examination, extended

Documentation: Comprehensive exam including history of corneal scarring, current visual acuity measurements both eyes, dilated fundus examination, refraction, sensorimotor evaluation, treatment plan for amblyopia.

Example 4: Orthoptic Training Session

Scenario: 7-year-old established patient with bilateral deprivation amblyopia following bilateral congenital cataract surgery at age 1, now undergoing orthoptic training.

Coding:

  • Primary Diagnosis: H53.013 - Deprivation amblyopia, bilateral
  • Secondary Diagnosis: Z98.83 - Pseudophakia (status post bilateral cataract surgery)
  • CPT Code: 92065 - Orthoptic training with continuing medical direction
  • E/M (if applicable): 92012 - Intermediate established patient exam

Documentation: Document training session details, visual acuity improvement tracking both eyes, compliance with patching protocol if applicable, parent counseling.

Example 5: Surgical Treatment of Underlying Cause

Scenario: 3-year-old with severe bilateral ptosis causing deprivation amblyopia, undergoing bilateral ptosis repair.

Coding:

  • Primary Diagnosis: H02.413 - Mechanical ptosis of bilateral eyelids
  • Secondary Diagnosis: H53.013 - Deprivation amblyopia, bilateral
  • CPT Code: 67901-50 - Repair of blepharoptosis, frontalis muscle technique, bilateral
  • Modifier: -50 (Bilateral)

Documentation: Document pre-operative visual assessment both eyes, severity of ptosis with measurements, amblyopia diagnosis, surgical procedure details including approach and technique, post-operative care plan including amblyopia therapy.

Clinical Considerations

  • Early intervention is critical: The visual system is most plastic during early childhood; treatment outcomes decline significantly after age 7-8
  • Treat underlying cause first: Address cataracts, ptosis, or other obstructive conditions before amblyopia therapy
  • Bilateral involvement typically more severe: Requires aggressive treatment approach compared to unilateral cases
  • Monitor compliance: Success depends heavily on patient/family adherence to treatment protocols
  • Document visual acuity: Regular VA measurements both eyes are essential for treatment monitoring

Documentation Requirements

  1. Specify “bilateral” involvement clearly
  2. Document visual acuity measurements for both eyes
  3. Note underlying cause of deprivation (cataracts, ptosis, corneal opacity, etc.)
  4. Include age at diagnosis and treatment initiation
  5. Document previous treatments attempted
  6. Record response to therapy with objective measurements
  7. Include family history if relevant
  8. Note compliance with prescribed treatment regimen

References

  • ICD-10-CM Official Guidelines for Coding and Reporting FY 2026
  • ICD-10-CM Tabular List, Chapter 7: Diseases of the eye and adnexa
  • CMS MS-DRG Definitions Manual Version 42.0
  • American Academy of Ophthalmology Clinical Guidelines

Last Updated: October 2025 (ICD-10-CM FY 2026) Code Status: Active/Billable

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