Does Z03.818 require prior authorization?

No, Z03.818 does not require prior authorization (high confidence). Code is covered without prior authorization.

`Z03.818` — Encounter for observation for suspected exposure to other biological agents ruled out

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 medical record must be legible and include appropriate patient identification (e.g., complete name, dates of service).
The documentation must include the legible signature of the physician or non-physician practitioner responsible for and providing the care to the patient.

Respiratory pathogen panel testing is covered when performed in an outpatient, non-institutional Part B setting from a single biologic specimen on a single date of service and the order is not a reflex test.
Respiratory pathogen panel testing is covered when the medical record documents that the testing facility can deliver timely results and that the test results can reasonably be expected to change clinical management and improve patient health outcomes.
Respiratory pathogen panel testing is covered when performed as a single service from a single biologic specimen in the outpatient setting on a single date of service and is reasonable and necessary per LCD L38918.
The test is covered when performed in a Medicare Part B setting that is equipped to deliver timely results and when the results can reasonably be expected to lead to a change in clinical management that improves health outcomes.
Molecular syndromic infectious disease panels are covered when billed with the appropriate proprietary CPT®/PLA code (or CPT® 87999 if no specific code exists) and accompanied by ICD-10-CM diagnosis codes that support medical necessity documented in the patient record.
FDA-approved or cleared molecular infectious disease tests performed consistent with their intended use labeling are covered without a DEX Z-Code and Technical Assessment when billed with appropriate ICD-10-CM diagnosis codes and supporting documentation.

L39044 — MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

J05

A58761 — Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

J05

A58577 — Billing and Coding: Respiratory Pathogen Panel Testing

A58710 — Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

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