E50.9 — Vitamin A deficiency, unspecified
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- The patient's medical record must contain documentation that fully supports the medical necessity for the visual fields testing in accordance with the applicable LCD.
- Documentation should include relevant medical history, a physical examination, and results of pertinent diagnostic tests or procedures supporting the need for visual fields testing.
- The diagnosis code(s) reported on the claim must best describe the patient's condition for which the visual fields testing was performed.
- Refer to NCCI and OPPS requirements prior to billing Medicare to ensure coding compliance and to determine any bundling or packaging edits.
Key Coverage Criteria
- Coverage for electroretinography (ERG) is determined by Local Coverage Determination (LCD) L37371; ERG is covered only when reasonable and necessary per LCD L37371.
- Visual field testing is covered when billed to the Part A or Part B MAC with a valid ICD-10-CM diagnosis code that best describes the patient’s condition and when the service is reasonable and necessary.
- For diagnostic visual field tests, report the test result on the claim if known; if the result is not known, report the signs or symptoms that prompted the test.
- If the service requires a referring/ordering physician, include the ordering/referring physician’s name and NPI on the claim.
- Visual field examinations are covered when reasonable and necessary as defined by Local Coverage Determination (LCD) L33766.
- Formal visual field testing is medically necessary for patients with a disorder of the eyelid(s) that may affect the visual field.
10 Active Policies
A56551 — Billing and Coding: Visual Fields Testing
J06
L33574 — Visual Fields Testing
J06
A57677 — Billing and Coding: Electroretinography (ERG)
J09
L33766 — Visual Field Examination
J09
A57637 — Billing and Coding: Visual Field Examination
Related Codes
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