Does Z20.4 require prior authorization?

No, Z20.4 does not require prior authorization (high confidence). Covered without prior authorization.

`Z20.4`, Contact with and (suspected) exposure to rubella

ICD-10-CM

No Prior Auth Required

Covered without prior authorization (high confidence)

Medical records must document the indication(s) supporting use of IVIG for each claim.
For indications where routine IVIG use is not indicated, the medical record must document prior interventions that were unsuccessful or reasons those interventions were not tolerated.
Documentation must support objective clinical response to IVIG for continued coverage.
Medical records must be made available to the Contractor upon request to substantiate coverage and payment.

IVIG is covered only for indications specified as covered in the related Local Coverage Determination (LCD) and when medical necessity criteria in that LCD are met.
Acanthamoeba in corneal ulceration
Actinomyces, for identification of actinomyces species in tissue specimens
Adenovirus, to diagnose adenovirus myocarditis, and to diagnose adenovirus infection in immunocompromised hosts, including transplant recipients
Anaplastic lymphoma kinase (ALK) testing as an alternative to FISH for selecting individuals for ALK inhibitor therapy
Avian influenza A virus, for diagnosis of avian influenza A (H5N1) in persons with both: Symptoms consistent with Avian influenza A virus (see background); and A history of travel to or contact with persons or birds from a country with documented H5N1 avian influenza infections within 10 days of symptom onset.

WPS-J5-L34771, Immune Globulins

A57554, Billing and Coding: Immune Globulins

WPS-J8-L34771, Immune Globulins

AETNA-CPB-0650, Polymerase Chain Reaction Testing: Selected Indications

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