Tag: Billing units

Explore our medication guides and pharmacology articles within this category.

Medication Billing: What is the J code for dexamethasone 4mg Injection?

Oct 11, 2025 •

4 min read

The Healthcare Common Procedure Coding System (HCPCS) assigns specific J codes for injectable and non-orally administered drugs. For a healthcare provider asking, "What is the J code for dexamethasone 4mg Injection?", the billing code is J1100, which represents 1 mg of the drug.