HCPCS J1744
Icatibant injection
About HCPCS J1744
Injection, icatibant, 1 mg
Coding Tips for HCPCS J1744
Series-level billing guidance from the PayerReady Medical Coding Team. J-codes follow specific Medicare Part B and DME rules. These are the gotchas that drive denials.
Drugs administered other than oral. The dominant outpatient drug code family. Bill the J-code with the units corresponding to the dose given (J3490 dosage = 1 mg per unit unless otherwise stated, J9201 = 100 mg, etc.). Verify per-code units in the CMS Quarterly ASP Pricing File, the most common denial reason for J-codes is incorrect units.
NDC reporting required on most commercial claims and Medicaid. Format: 11-digit NDC in 5-4-2 layout, qualifier N4, with dispensed quantity and unit of measure. Missing NDC is a clean-claims auto-reject.
Modifier JW (drug discarded/wasted) is required for single-dose vials when any drug is discarded. Bill the administered units on one line, the discarded units on a second line with JW. CMS recovers waste payments aggressively in audits.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 24, 2026.
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