Does H34.829 require prior authorization?

No, H34.829 does not require prior authorization (high confidence). Covered without prior authorization.

`H34.829`, Venous engorgement, unspecified eye

ICD-10-CM

No Prior Auth Required

Covered without prior authorization (high confidence)

Medical records must include history and physical notes, laboratory results, and documentation of signs and symptoms that warrant the head/neck diagnostic imaging.
Accurate HCPCS/CPT coding must be submitted to differentiate CT and MRI scans from other radiology services and to support coverage determinations.
Documentation and supporting information must be available to Medicare upon request.
Providers should check and apply Correct Coding Initiative (CCI) edits and applicable LCD guidance for correct code combinations before billing.

CT or MRI scans of the head or neck are covered when the medical record documents the scan is reasonable and necessary for diagnostic evaluation.
Coverage requires documentation supporting clinical indication such as history and physical exam findings, laboratory results, and signs or symptoms that justify the diagnostic test.
Visual field examinations are covered when reasonable and necessary as defined by Local Coverage Determination (LCD) L33766.
Visual field examination is covered for patients with inflammation or disorders of the eyelids that may affect the visual field.
Visual field examination is covered for patients with a documented diagnosis of glaucoma.
Visual field examination is covered for glaucoma suspects, defined by increased intraocular pressure, inter-eye intraocular pressure asymmetry greater than 2–3 mm Hg, or optic nerve findings suspicious for glaucoma (asymmetric cupping, disc hemorrhage, absent or thinned temporal rim).

FIRST_COAST-L33766, Visual Field Examination

A57637, Billing and Coding: Visual Field Examination

A57204, Billing and Coding: MRI and CT Scans of the Head and Neck

Ask Backwork about documentation requirements, denial risks, or coverage in your state.