CPT® Code 90396

1. Indications

The varicella-zoster immune globulin is indicated for specific situations where immediate passive immunity is required to protect individuals from the varicella-zoster virus. The following conditions warrant the use of this immunizing agent:

• Post-exposure prophylaxis for individuals who have been exposed to the varicella-zoster virus and are at high risk for developing severe chickenpox, such as immunocompromised patients or those with certain medical conditions.
• Prevention of varicella in high-risk individuals who have not had chickenpox or have not been vaccinated against it, particularly in cases where vaccination is contraindicated.

2. Procedure

The administration of varicella-zoster immune globulin involves several key procedural steps to ensure safety and efficacy. The following outlines the procedure:

• Step 1: Patient Assessment - Prior to administration, a thorough assessment of the patient’s medical history is conducted to determine their eligibility for receiving VZIG. This includes evaluating any previous exposure to the varicella-zoster virus, vaccination history, and any underlying health conditions that may affect the immune response.
• Step 2: Preparation of the Immune Globulin - The healthcare provider prepares the varicella-zoster immune globulin for intramuscular injection. This involves ensuring that the product is stored correctly and is at the appropriate temperature for administration. The vial is inspected for any particulate matter or discoloration before use.
• Step 3: Administration - The immune globulin is administered via intramuscular injection, typically into the deltoid muscle. The injection site is cleaned with an antiseptic solution to minimize the risk of infection. The appropriate dosage is determined based on the patient’s age and weight, as well as the specific clinical scenario.
• Step 4: Post-Administration Monitoring - After the injection, the patient is monitored for any immediate adverse reactions or side effects. This includes observing for signs of allergic reactions or other complications that may arise from the administration of the immune globulin.

3. Post-Procedure

Following the administration of varicella-zoster immune globulin, patients are typically advised to remain under observation for a short period to ensure that no immediate adverse reactions occur. It is important to provide patients with information regarding potential side effects, which may include mild fever, soreness at the injection site, or allergic reactions. Patients should also be informed about the importance of follow-up care, especially if they experience any unusual symptoms after the injection. Additionally, healthcare providers may recommend that patients avoid certain activities or exposures that could compromise their health while the immune globulin is providing protection. Overall, the expected recovery is generally swift, with most individuals resuming normal activities shortly after the procedure.