HCPCS code J1644 — Inj heparin sodium per 1000u. Status: Active. Effective Jan 1, 2003. Source: CMS HCPCS Level II.

J1644

Active

Inj heparin sodium per 1000u

Injection, heparin sodium, per 1000 units

Category: Drugs

Section: J-codes: Drugs Administered Other Than Oral Method

Effective: Jan 1, 2003

Code type: alphanumeric

OPPS Status: N — Items / services packaged into APC rates

Drug class: Anticoagulants (Parenteral)

Maximum units of J1644 Medicare will pay for one beneficiary on one date of service. Claims exceeding the MUE are denied or returned for review.

Service Type	Max Units / Day	Adjudication	Rationale
DME Supplier	0	3 — Date of Service Edit: Clinical	CMS Policy
Outpatient Hospital	50	3 — Date of Service Edit: Clinical	Clinical: Data
Practitioner Services	40	3 — Date of Service Edit: Clinical	Clinical: Data

Source: CMS Medicare NCCI Medically Unlikely Edits

J1644 cannot be billed together with the following column 1 codes without appropriate documentation.

Column 1 Code	Description	Modifier
C9797	Vasc emb/occ w/prs cath	Modifier may bypass edit
G0341	Percutaneous islet celltrans	Modifier may bypass edit
G0498	Chemo extend iv infus w/pump	Modifier may bypass edit

Source: CMS National Correct Coding Initiative (NCCI)

National Drug Codes (NDCs) mapped to this HCPCS code.

Search Medicare's official policy database for Local (LCD) and National (NCD) Coverage Determinations covering this code.

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Data sourced from CMS. Updated quarterly.

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