Does I77.812 require prior authorization?

No, I77.812 does not require prior authorization (high confidence). Code is covered without prior authorization.

`I77.812` — Thoracoabdominal aortic ectasia

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

This billing/coding guideline complements LCD L33459 (Computerized Axial Tomography (CT), Thorax); follow the LCD for clinical coverage and any required documentation or prior authorization rules.
All documentation must be maintained in the patient's medical record and made available to the contractor upon request.
Every page of the record must be legible and include appropriate patient identification information such as complete name and dates of service.
The documentation must include the legible signature of the physician or non-physician practitioner responsible for and providing the care.

Diagnostic abdominal aortography and renal angiography are covered when they meet the reasonable and necessary clinical requirements specified in LCD L35092.
When femoral or iliac angiography is performed at the time of coronary angiography, bill using HCPCS code G0278.
Non-invasive vascular diagnostic tests are covered when ordered by the treating practitioner or a consulting physician who will use the results to manage the beneficiary's specific medical problem.
A documented referral/order must be on record for each individual non-invasive vascular study performed for coverage to apply.
Cerebrovascular arterial duplex follow-up is covered annually for stenosis 20–49% (diameter reduction).
Cerebrovascular arterial duplex follow-up is covered every six months for stenosis 50–79% (diameter reduction).

A57593 — Billing and Coding: Non-Invasive Peripheral Arterial Vascular Studies

J05

L35755 — Non-Invasive Abdominal / Visceral Vascular Studies

J05

A57591 — Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies

J05

L35761 — Non-Invasive Peripheral Arterial Vascular Studies

J05

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