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J1833 Injection, isavuconazonium

J Codes (Drugs)

Also known as: isavuconazonium, Cresemba

Injection of isavuconazonium sulfate. A next-generation azole antifungal agent with improved pharmacokinetics.

In Plain Language

antifungal injection; fungal infection treatment

Clinical Context

Used for invasive aspergillosis and invasive mucormycosis infections. Isavuconazonium has good tissue penetration and can be used as bridging therapy from IV to oral formulation.

RVU Information

CPT J1833 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.

Billing & Documentation

J-codes represent drugs administered by a healthcare provider (not self-administered). Documentation must include the drug name, dosage, route of administration, and medical necessity. Most payers require the National Drug Code (NDC) on the claim. Bill the appropriate administration code (96365-96379) in addition to the drug code.

Specialties

Infectious DiseaseInternal MedicineCritical Care

Frequently Asked Questions

What is CPT code J1833?

CPT J1833 (Injection, isavuconazonium) is a J Codes (Drugs) code. Injection of isavuconazonium sulfate. A next-generation azole antifungal agent with improved pharmacokinetics.

How is J1833 administered?

CPT J1833 is administered by a healthcare provider, typically via injection or infusion. Used for invasive aspergillosis and invasive mucormycosis infections. Isavuconazonium has good tissue penetration and can be used as bridging therapy from IV to oral formulation. It is used by Infectious Disease, Internal Medicine, Critical Care.

When is CPT J1833 used?

Used for invasive aspergillosis and invasive mucormycosis infections. Isavuconazonium has good tissue penetration and can be used as bridging therapy from IV to oral formulation.

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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.