Does G93.5 require prior authorization?

No, G93.5 does not require prior authorization (high confidence). Code is covered without prior authorization.

`G93.5` — Compression of brain

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

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.

Continuous intraoperative neurophysiologic monitoring provided one-on-one in the operating room (CPT 95940) is covered when it supports the covered indications in LCD L35003.
Report continuous intraoperative neurophysiologic monitoring in the operating room (95940) in addition to monitoring services provided from outside the operating room (G0453); coverage includes interpretation of baseline studies and removal of electrodes at the end of the procedure when supporting the LCD indications.
Reimbursement may be made for covered intraoperative monitoring when performed at POS 19, POS 21, POS 22, or POS 24.
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.

L34624 — Somatosensory Testing

J05

L34623 — Intraoperative Neurophysiological Testing

J05

A57597 — Billing and Coding: Somatosensory Testing

J05

A57604 — Billing and Coding: Intraoperative Neurophysiological Testing

J05

A56551 — Billing and Coding: Visual Fields Testing

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