Does T86.42 require prior authorization?

No, T86.42 does not require prior authorization (high confidence). Covered without prior authorization.

`T86.42`, Liver transplant failure

ICD-10-CM

No Prior Auth Required

Covered without prior authorization (high confidence)

Claims must be supported by medical record documentation of the patient’s diagnosis/clinical condition and justification that the selected drug, dose, and route of administration are appropriate and medically necessary for the non-oncologic indication.
Billing must comply with Medicare rules and any applicable LCD prior authorization or documentation requirements; follow any specific forms or prior authorization processes required by the LCD or payer.
The submitted medical record must support the selected ICD-10-CM code(s), and the submitted CPT/HCPCS code must accurately describe the service performed.
The medical record must include the legible signature of the physician or non-physician practitioner responsible for and providing the care.

Anti-neoplastic (chemotherapy) agent CPT/HCPCS codes may be used to bill for administration of these drugs when given to treat non-oncologic (noncancer) diagnoses if the drug is medically necessary for the patient’s condition and consistent with the standard of medical practice.
Monoclonal antibody agents and other biologic response modifiers may be administered and billed using chemotherapy administration codes for noncancer indications when the dose, route, and clinical use are appropriate and medically necessary.
For tests that currently lack specific CPT codes (functional intracellular analysis and total antioxidant function), bill using CPT 84999 and add a note identifying which test was performed in the Remarks area for Part A claims and the Narrative area for Part B claims.
Coverage and reasonable/necessary determinations for assays for vitamins and metabolic function are governed by LCD L34914 and claims must meet that LCD's requirements to be covered.
Non-invasive vascular studies (duplex scan, physiologic studies, plethysmography, transcranial Doppler) are covered when ordered by the treating or consulting practitioner and medically necessary to evaluate, diagnose, or manage vascular disease.
Initial autogenous access vessel mapping should be billed with HCPCS codes 93985 or 93986 and is covered when medically necessary for surgical planning.

CGS-J15-L34045, Non-Invasive Vascular Studies

J15

CGS-J15-L34037, Flow Cytometry

J15

CGS-J18-L34045, Non-Invasive Vascular Studies

J18

CGS-J18-L34037, Flow Cytometry

J18

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

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