CPT® Code 90377

1. Indications

Rabies immune globulin (RIg-HT S/D) is indicated for use in the following situations:

• Post-Exposure Prophylaxis Following a bite or scratch from an animal that is rabid or suspected to be rabid, RIg-HT S/D is administered to neutralize the rabies virus and provide immediate passive immunity.
• Immediate Protection It is utilized to confer short-term immunity until the recipient's immune system can respond to the rabies vaccine and produce its own antibodies.

2. Procedure

The procedure for administering rabies immune globulin (RIg-HT S/D) involves several critical steps to ensure safety and efficacy:

• Step 1: Preparation Prior to administration, the healthcare provider must ensure that the RIg-HT S/D is properly prepared and stored according to the manufacturer's guidelines. This includes checking the expiration date and ensuring that the solution is clear and free from particulate matter.
• Step 2: Administration Site Selection The provider should select an appropriate site for intramuscular or subcutaneous injection. Common sites for intramuscular injection include the deltoid muscle in the upper arm or the anterolateral thigh muscle, while subcutaneous injections may be administered in the fatty tissue of the abdomen or thigh.
• Step 3: Injection Technique Using aseptic technique, the provider will clean the injection site with an alcohol swab. For intramuscular injections, a suitable needle size is selected, and the needle is inserted at a 90-degree angle to the skin. For subcutaneous injections, a smaller needle is used, and the needle is inserted at a 45-degree angle. The appropriate dose of RIg-HT S/D is then drawn into the syringe and injected into the selected site.
• Step 4: Post-Injection Care After the injection, the provider should apply gentle pressure to the injection site with a cotton ball or gauze to minimize bleeding. The site may be bandaged if necessary. The patient should be monitored for any immediate adverse reactions following the administration.

3. Post-Procedure

Post-procedure care for patients receiving rabies immune globulin (RIg-HT S/D) includes monitoring for any potential side effects or allergic reactions. Patients should be advised to report any unusual symptoms, such as swelling, redness, or pain at the injection site, as well as systemic reactions like fever or rash. It is also essential to ensure that the patient receives the rabies vaccine as part of the post-exposure prophylaxis protocol, as the immune globulin provides immediate but temporary protection. Follow-up appointments may be necessary to assess the patient's response to the rabies vaccine and to ensure that the immunization series is completed appropriately.