Specialty medical billing for eye care practices

Ophthalmology Billing Services

Posterior capsule opacification, glaucoma staging, medically necessary contact lens fitting, and laser procedure global periods each carry coding rules that general medical billing does not cover. Our claims process is built around how eye care actually gets coded and reimbursed.

Serving ophthalmology and optometry practices nationwide

Medicare, Medicaid and commercial payer claims

Cataract, glaucoma, retina and pediatric eye care

A cataract evaluation, a glaucoma progression check, a dry eye consultation, and a contact lens fitting for keratoconus can all happen in the same eye care practice on the same day, and each follows a different billing path. Medicare and commercial medical plans cover services tied to a diagnosed eye disease. Routine refraction, most contact lens fittings, and cosmetic eyelid procedures fall outside that coverage and move to the patient or a vision plan instead. A practice that treats every visit as a standard medical claim will eventually bill Medicare for something it was never going to pay, and a practice that treats every visit as routine will under-bill for care that was actually covered.

Ophthalmology also carries billing mechanics that most specialties do not deal with. A YAG capsulotomy performed months after cataract surgery needs its own diagnosis and its own global period, separate from the original surgery. Glaucoma severity codes carry a stage attached to each eye, and that stage has to match the visual field and imaging results in the chart. Selective laser trabeculoplasty, punctal occlusion for dry eye, and medically necessary contact lens fitting each carry documentation requirements a general billing service is unlikely to apply correctly. Ophthalmology billing has to be built around these specifics from the start.

Where eye care billing gets complicated

Billing complexities specific to eye care practices

These six areas create most of the coding friction we see in ophthalmology and optometry claims.

Contact lens medical necessity

Medically necessary vs routine fitting

A contact lens fitted for keratoconus or irregular astigmatism after corneal surgery is billed differently from a routine fitting for nearsightedness. The claim needs keratometry or topography readings on file, plus a diagnosis code that supports medical necessity rather than a refractive one.

Secondary procedures

A second global period after cataract surgery

Posterior capsule opacification often develops months after cataract surgery and is treated with a YAG capsulotomy. Because it addresses a new problem rather than a complication of the original surgery, it opens its own global period and needs its own diagnosis code on the claim.

Glaucoma staging

Severity codes tied to each eye

H40 glaucoma codes carry a stage: mild, moderate, severe, or indeterminate. That stage has to line up with the visual field and OCT results in the chart. A mismatch between the diagnosis stage and the supporting test is a common reason payers request additional documentation.

Laser procedures

Office-based or ambulatory surgery center

Selective laser trabeculoplasty and YAG capsulotomy can both be performed in the office or at an ambulatory surgery center, and the claim structure changes depending on where the procedure happens. Facility claims and professional claims need to stay separate and billed to the correct place of service.

Dry eye treatment

Punctal occlusion coverage rules

Punctal plug insertion is generally covered once conservative treatment, such as artificial tears or prescription drops, has been tried and documented as insufficient. Claims submitted without that documented history are a frequent target for payer review.

Same-day billing

Exam and procedure on one visit

When a minor procedure happens during the same visit as an eye exam, the exam needs a modifier showing it was a separately identifiable service. Without it, the payer treats the exam as included in the procedure and pays one claim line instead of two.

Recurring denial patterns

Errors we find most often in eye care claims

These six patterns explain a large share of the denials we see when we review a new ophthalmology or optometry client's claims history.

01

YAG capsulotomy billed as part of the original global period

Without a documented new diagnosis, payers treat the capsulotomy as related follow-up care and deny it outright.

02

Glaucoma stage on the claim doesn't match the chart

A moderate-stage diagnosis code paired with test results supporting mild disease is a mismatch that slows or stops payment.

03

Contact lens claim missing topography or keratometry

Medical necessity for a specialty lens fitting can't be established from the exam note alone.

04

Modifier 25 left off a same-day exam and procedure

The exam gets bundled into the procedure fee, and that portion of the visit goes unpaid.

05

Punctal plug billed without a documented conservative treatment trial

Payers expect to see that drops or artificial tears were tried first and did not resolve the symptoms.

06

Facility and professional claims filed under the wrong place of service

A laser procedure performed at an ambulatory surgery center but billed as an office visit creates a payment mismatch on both claims.

Documentation that holds up

How we approach ophthalmology coding and documentation

Ophthalmology claims draw on general ophthalmological codes and standard evaluation and management codes depending on payer rules, alongside a recurring set of diagnostic and procedural codes specific to eye care.

92133 / 92134

OCT imaging of the optic nerve or retina

92081-92083

Visual field exam limited, intermediate, extended

92250

Fundus photography

92020

Gonioscopy

66984 / 66982

Cataract extraction with IOL - standard vs. complex

67028

Intravitreal injection of a pharmacologic agent

J0178 / J2778

Aflibercept (Eylea) / ranibizumab (Lucentis)

99202–99215

Standard evaluation and management, used where payer rules call for it

ICD-10-CM categories that come up often
H25 Age-related cataract, including posterior capsule opacification H40 Glaucoma, staged mild, moderate, or severe per eye H35 Corneal disorders, including AMD, diabetic retinopathy H34 Retinal vascular occlusions H52 Disorders of refraction - generally non-coveredStrabismus Z96.1 Presence of an artificial intraocular lens

Documentation has to justify each code on its own, not just the first time it appears in the chart. A contact lens claim needs current topography on file even after the diagnosis has been established for years. A repeat extended ophthalmoscopy needs a note explaining what changed since the last exam, rather than a routine entry copied forward from the previous visit.

Payer rules practices run into

Working through insurance and authorization rules

Documentation payers ask for lens claims

A medically necessary contact lens claim usually needs a diagnosis such as keratoconus or post-surgical irregular astigmatism, along with topography or keratometry results and a note explaining why glasses don't correct the condition adequately.

Local coverage limits on repeat imaging

Your Medicare Administrative Contractor's Local Coverage Determination sets which diagnosis codes support coverage for extended ophthalmoscopy and fundus photography, and how often each can be billed. Checking the current determination before scheduling repeat imaging avoids a predictable category of denials.

Office versus ambulatory surgery center billing

A laser procedure performed at an ambulatory surgery center generates a facility fee claim in addition to the surgeon's professional claim. The same procedure done in the office does not. Practices working across both settings need a workflow that keeps the two claim types apart.

Coverage for pediatric strabismus and vision therapy

Strabismus surgery is generally covered when documented as a functional problem, while orthoptic or vision therapy sessions carry session limits and prior authorization requirements that vary by plan and need to be checked before scheduling a course of treatment.

Where the revenue actually sits

How we manage the revenue cycle for eye care practices

An eye care practice runs a high volume of routine exams alongside a smaller number of higher-value procedures, and both halves of that mix need separate attention.

Modifier accuracy on same-day visits

Getting modifier 25 or 57 right on the exam claim, every time a procedure happens the same day, protects a portion of revenue that is otherwise easy to lose without anyone noticing.

Accounts receivable sorted by claim value

A handful of aged laser procedure or surgical claims can represent more revenue at risk than a much larger stack of smaller exam claims sitting in the same aging bucket.

Patient responsibility collected up front

Routine refraction, most contact lens fittings, and cosmetic procedures are the patient's responsibility rather than the payer's, and collecting that portion at the time of service avoids a slow chase after the visit is over.

Our process for eye care clients

Why eye care practices work with A2Z Billings

We build our process around the coding and payer issues above, rather than applying the same approach used for other specialties. Our work with an ophthalmology or optometry client generally includes the following.

  • Medical necessity review on lens and dry eye claims

    Contact lens and punctal plug claims checked for topography, keratometry, or documented conservative treatment before submission.

  • Global period tracking for secondary procedures

    YAG capsulotomy and other secondary procedures tracked separately from the original surgery's global period.

  • Glaucoma stage and test result matching

    Diagnosis stage checked against the visual field and OCT results on file before the claim goes out.

  • Local coverage determination checks

    Extended ophthalmoscopy and fundus imaging claims checked against the current Medicare Administrative Contractor rules for frequency and diagnosis.

  • Same-day modifier review

    Exam and procedure claims checked for modifier 25 or 57 before submission, not corrected after a denial arrives.

  • Credentialing support

    Enrollment with commercial and Medicare payer panels for ophthalmologists and optometrists joining the practice.

We work with ophthalmology and optometry practices across the United States, from single-physician offices to multi-location glaucoma and retina groups, and we build the coding review process around each practice's actual patient mix and payer contracts.
Common questions from eye care practices

Frequently asked questions

Is a YAG capsulotomy covered right after cataract surgery?
It can be, but only when posterior capsule opacification is documented as a new finding, separate from the original cataract procedure. Billing it within the original global period without that documentation is treated as related follow-up care and denied.
When is a contact lens fitting billed as medically necessary instead of routine?
When the fitting addresses a diagnosed condition such as keratoconus or irregular astigmatism after corneal surgery, glasses don't correct the condition adequately. The claim needs topography or keratometry results on file to support the diagnosis.
How does glaucoma staging affect what testing gets paid?
The stage recorded in the diagnosis code, mild, moderate, or severe, needs to match the visual field and imaging findings in the chart. A stage that doesn't line up with the test results is a common reason for additional documentation requests.
Are punctal plugs covered by insurance?
Generally yes, once conservative treatment such as artificial tears or prescription drops has been tried and documented as insufficient. Claims filed without that history are frequently reviewed or denied.
Can an eye exam and a laser procedure be billed on the same visit?
Yes, when the exam is a separately identifiable service from the procedure and carries the correct modifier. Without it, the exam is bundled into the procedure fee and paid as a single claim line.
Do you handle billing for pediatric strabismus surgery and vision therapy?
Yes. We coordinate the surgical claim, the functional documentation payers require, and the session limits and authorization that typically apply to orthoptic or vision therapy.

Let's find out where your ophthalmology claims are losing revenue

If YAG capsulotomy denials, glaucoma stage mismatches, or contact lens claim rejections are cutting into reimbursement, we can review a sample of recent claims and show you where the pattern is coming from.