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Avibactam 500 MG / ceftazidime 2000 MG Injection [Avycaz] — RxCUI 1603845

Name: Avibactam 500 MG / ceftazidime 2000 MG Injection [Avycaz] (RxCUI 1603845)
Creator: Brian Staiger, PharmD

RxNorm drug concept · Semantic branded drug

RxCUI 1603845 Semantic branded drug · SBD ● Current RxNorm concept 1 FDA product 1 package NDC Snapshot Jul 14, 2026

This page is curated, coded, and maintained by Dr. Brian Staiger, PharmD

Compiled from public NLM RxNorm and FDA (openFDA NDC directory) data sources. Editorial policy

What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.

🗂️ Key Facts

RxCUI1603845

Official nameAvibactam 500 MG / ceftazidime 2000 MG Injection [Avycaz]

Concept typeSemantic branded drug (SBD)

RxNorm statusCurrent RxNorm concept

Also known asAvycaz (ceftazidime / avibactam) 2.5 GM Injection; Avycaz 2.5 GM Injection

FDA products mapped1

Package NDCs mapped1

Reported Medicaid activity (SDUD)1,753 prescriptions · 20 state & territory Medicaid programs · latest period Q4 2025

RxNorm release07/06/2026

Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Ceftazidime and Avibactam Injection: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist

Avycaz is reserved for serious infections caused by gram-negative bacteria that are difficult to treat — sometimes because they've developed resistance to other antibiotics. The av...
Why do I need this specific antibiotic instead of a regular one?
The most common side effects are digestive — diarrhea, nausea, and vomiting. These are uncomfortable but usually manageable. What you should report immediately is severe or bloody...
What side effects should I actually expect, and which ones should make me call someone right away?

📖 Read our full Ceftazidime and Avibactam Injection guide →

🕸️ Concept Web — How Avibactam 500 MG / ceftazidime 2000 MG Injection... Connects

One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.

This page's concept Avibactam 500 MG / ceftazidime 2000 MG Injection [Avycaz] RxCUI 1603845 Semantic branded drug · SBD

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

Ingredients 3

The active substance itself — no strength, form, or brand attached yet.
- Avibactam 1603834 IN
- Ceftazidime 2191 IN
- Avibactam / ceftazidime 1603839 MIN
Brand names 1

The same medicine's trade names. A brand name alone says nothing about strength or form.
- Avycaz 1603841 BN
Dose forms 6

The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.
- Avibactam / ceftazidime Injection 1718938 SCDF
- Avibactam / ceftazidime Injectable Product 1603837 SCDG
- Avibactam / ceftazidime Injection [Avycaz] 1718941 SBDF
- Avycaz Injectable Product 1603844 SBDG
- Injection 1649574 DF
- Injectable Product 1151126 DFG
Clinical & branded drugs 4

Ingredient + strength + dose form. These are the concepts real FDA products actually carry.
- Avibactam 500 MG / ceftazidime 2000 MG Injection 1603840 SCD
- Avibactam 500 MG 1718937 SCDC
- Ceftazidime 2000 MG 1659286 SCDC
- Avibactam 500 MG / ceftazidime 2000 MG [Avycaz] 1718940 SBDC

Showing up to 8 concepts per family — 14 of 14 stored related concepts drawn.

These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.

🔀 Generic ⇄ Brand Crosswalk

The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.

Generic (Clinical) Concepts

Avibactam 500 MG / ceftazidime 2000 MG Injection SCD · 1603840
Avibactam 500 MG SCDC · 1718937
Ceftazidime 2000 MG SCDC · 1659286
Avibactam / ceftazidime Injection SCDF · 1718938
Avibactam / ceftazidime Injectable Product SCDG · 1603837

Brand-Name Concepts

Avibactam 500 MG / ceftazidime 2000 MG [Avycaz] SBDC · 1718940
Avibactam / ceftazidime Injection [Avycaz] SBDF · 1718941
Avycaz Injectable Product SBDG · 1603844
Avycaz BN · 1603841

📦 FDA Products & Package NDCs

1 product · 1 package NDC

1 package NDC map to RxCUI 1603845 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.

Package NDC	Package	Brand / generic name	Labeler	Marketing start
00456-2700-10	10 VIAL, SINGLE-DOSE in 1 CARTON (0456-2700-10) / 1 POWDER,...	AVYCAZ	Allergan, Inc.	2014-12-26

Observed labelers: Allergan, Inc. (1) — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🧾 Billing Codes (HCPCS)

Medical billing codes (HCPCS "J-codes") that connect to this concept's packages — used mostly when a clinic or hospital bills for a drug it administers. Each code links to its full billing page.

Code	Descriptor	Mapped packages	Sources
J0714	Ceftazidime and avibactam	1	CMS

⚠ A crosswalk is not coverage: an NDC↔HCPCS mapping does not guarantee any payer covers or pays the code. Always verify the current payer policy before billing.

🗃️ Sources & Limits

Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7

openFDA export observedJul 14, 2026

RxNorm release07/06/2026

Methodology2026-07-full-catalog-v1

A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.

This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.