Medically Necessary Contact Lenses & Fitting
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Defines medical necessity criteria, required documentation, covered diagnoses and procedure/product codes, and state-specific applicability for contact lens fitting and dispensing for CHOC Children's Hospital Orange County Health Alliance members.
No material clinical or coverage changes in this revision.
Coverage criteria for medically necessary contact lenses and fitting
Medical necessity criteria
Covered when ALL of the following are met
Documentation standards: no white-out or black-out; single-line edits must be initialed and dated
See following condition-specific numeric thresholds where applicable
Condition-specific numeric criteria
- Keratoconus: Diagnosis confirmed by keratometry readings or corneal topography; best spectacle-corrected visual acuity 20/40 or worse in either eye; rigid contact lenses produce at least 2-line improvement in best spectacle-corrected acuity20/40
Corneal topography or keratometry required to confirm diagnosis
- Irregular astigmatism: Astigmatism ≥ 2.00 diopters in either eye with principal meridians separated by < 90°; best spectacle-corrected visual acuity 20/40 or worse in the affected eye>= 2.00 D
Principal meridians separation < 90° required
- Aphakia in one or both eyes of congenital, surgical, or traumatic etiology without intraocular lens implantation
Document etiology (congenital, surgical, or traumatic)
- Anisometropia / Aniseikonia: Difference in spherical equivalent between eyes ≥ 3.00 diopters or unequal image size causing intermittent/constant diplopia, suppression, binocular rivalry, or stereopsis < 100°>= 3.00 D
Document spherical equivalent difference and functional symptoms
- High myopia: Refractive error greater than ±10.00 diopters; best spectacle-corrected visual acuity 20/40 or worse in either eye; contact lenses provide at least 2-line improvement in best spectacle-corrected acuity>10.00 D
Document refractive error and measured acuity improvement with contacts
Follow-up: minimum 60 days after completion of fitting with a thorough evaluation at each visit (not simply a lens check); documentation subject to review
Corneal disease-related coverage
Applies to contact lens fitting and dispensing related to corneal disease
There are no exclusions to this policy.
Services are not medically necessary when the documentation submitted does not meet the requirements of Tables 1 and 2 or when requested clarifying information is not provided. Specific situations that may trigger denial include: failure to clearly and legibly document the relevant diagnosis and all required criterion points; use of unacceptable documentation practices such as white-out, blacked-out or unreadable text; and failure to submit detailed procedure notes, orders, or formal testing interpretations when required for select CPT/HCPCS codes. Repeated failure to provide requested documentation may result in referral to Quality.
Supported diagnosis and procedure codes; thresholds
| H18.601 - H18.609 | Keratoconus, unspecified |
| H18.611 - H18.619 | Keratoconus, stable |
| H18.621 - H18.629 | Keratoconus, unstable |
| H27.00 - H27.03 | Aphakia |
| H44.20 - H44.23 | Degenerative myopia |
| H52.211 - H52.219 | Irregular astigmatism |
| H52.31 | Anisometropia |
| H52.32 | Aniseikonia |
| 92071 | Fitting of contact lens for treatment of ocular surface disease |
| 92072 | Fitting of contact lens for management of keratoconus, initial fitting |
| V2500 | Contact lens, pmma, spherical, per lens |
| V2501 | Contact lens, pmma, toric or prism ballast, per lens |
| V2502 | Contact lens, pmma, bifocal, per lens |
| V2503 | Contact lens, pmma, color vision deficiency |
| V2510 | Contact lens, gas permeable, spherical, per lens |
| V2511 | Contact lens, gas permeable, toric or prism ballast, per lens |
| V2512 | Contact lens, gas permeable, bifocal, per lens |
| V2513 | Contact lens, gas permeable extended wear, per lens |
| 92310 | Assistive code mapping to V-codes per state (see Table 2) |
| 92311 | Assistive code mapping to V-codes per state (see Table 2) |
| 92312 | Assistive code mapping to V-codes per state (see Table 2) |
| 92313 | Assistive code mapping to V-codes per state (see Table 2) |
| S0500 | Assistive code mapping to V-codes per state (see Table 2) |
Prior authorization, documentation, and denial triggers
Obtain prior authorization for Table 2 codes
Prior authorization is required per state-specific applicability for the CPT/HCPCS codes listed in Table 2; providers must confirm codes covered for each state.
Confirm state-specific code applicability
For codes and requirements that vary by state, follow the table note that providers must confirm state coverage and any state-specific documentation or testing requirements.
- Table 2 notes: “Codes may or may not be applicable to each participating state due to variance in state requirements.”
- Providers must verify state applicability before submitting requests.
Document diagnoses and all criterion points
Relevant diagnoses from Table 1 and all criterion points from Table 2 must be clearly and legibly documented in the medical record and made available upon request.
- Areas where white-out is used are not accepted; black-out/scribble is not accepted.
- Single-line edits are acceptable only if initialed and dated by the provider.
- ICD-10 codes supportive include keratoconus, aphakia, degenerative myopia, irregular astigmatism, anisometropia, and aniseikonia.
Document services provided and follow-up
Document the contact lens services provided, including examination, fitting, insertion/removal and care/cleaning training with written and verbal instructions, wearing schedule, risk counseling, starter kit, and follow-up visits for a minimum of 60 days with thorough evaluation at each follow-up.
- Follow-up visits must include thorough evaluation, not simply a lens check.
- Replacement guidelines and wearing schedule must be discussed and documented.
Denial risk for incomplete or non‑supportive documentation
Prior authorization requests will be denied when submitted documentation does not establish medical necessity per Tables 1 and 2, or when documentation is incomplete and the provider fails to respond to requests for additional information.
- Specific CPT/HCPCS codes (see Table 2) may require detailed documentation, procedure notes, orders and/or formal testing interpretation.
- Repeated failure to submit documentation timely may result in referral to Quality.
Clinical background and rationale
Contact lenses are considered medically necessary when needed to treat corneal disease or refractive conditions for which spectacles provide inadequate vision or management. For corneal indications, medical necessity requires documentation that the condition compromises corneal curvature or media and results in best spectacle-corrected acuity of 20/40 or worse in one or both eyes. For keratoconus, the diagnosis must be confirmed by keratometry or corneal topography, and rigid contact lenses must improve best spectacle-corrected visual acuity by at least 2 lines. Services must include examination, fitting, insertion/removal and care training, a wearing schedule, risk counseling and a starter kit, with a minimum follow-up period of 60 days and thorough evaluation at each visit.
Key definitions and threshold terms
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