## **What is the HCPCS code J1335 for?**
The HCPCS code J1335 is used to denote the use of an injection of ertapenem sodium with a dosage of 500 mg. This injection is commonly known as an ertapenem injection. It is an antibiotic injection designed to treat complex and severe infections (e.g., acute pelvic infections, urinary tract infections, skin structure infections, complicated intra-abdominal infections) by killing the bacteria that cause these infections from growing, multiplying, and spreading.
Like other drugs and other antibiotics, ertapenem sodium can be administered in two ways: IV administration (intravenous infusion) or IM administration (the injection is given straight to the appropriate location).
Before administering them with either method, you must mix the exact dosage with an appropriate diluent, and you must clean the injection site with an antiseptic first to prevent infections from happening.
## **Documentation requirements for J1335**
As with any procedure, especially involving injecting drugs into patients, it's important to document the following before you file for a claim that includes this code:
- The full name of the personnel who administered the injection, + their credentials
- The name and address of the facility where the injection was administered
- The full name of the patient
- The date and time of the drug administration by injection
- Patient records showing they have been diagnosed with one or multiple complicated infections and are currently dealing with them
- Blood test results that show results related to whatever complicated infections they have
- The exact dosage and route of the injection and the method of administration
- Patient experience during and after the procedure
## **Billing requirements for J1335**
Besides the documentation requirements above, please note the following billing requirements for this HCPCS code:
- They must reflect the dosage given over the course of the treatment.
- Use either of two modifiers: JW if there's unused medication in a vial (wastage), or JZ if there's no unused medication.
This should also accompany either one of these two CPT codes: 96365 if you administered the injection via IV, or 96372 if you administered it via IM.
## **Other similar codes**
- J3489 - Injection, zoledronic acid, 1 mg
- J0585 - Injection, onabotulinumtoxinA, 1 unit
- J1448 - Injection, trilaciclib, 1 mg
- J2278 - Injection, ziconotide, 1 mcg
- J3095 - Injection, telavancin, 10 mg
Frequently asked questions
