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Topotecan 4 MG Injection — RxCUI 1799416

Name: Topotecan 4 MG Injection (RxCUI 1799416)
Creator: Brian Staiger, PharmD

RxNorm drug concept · Semantic clinical drug

RxCUI 1799416 Semantic clinical drug · SCD ● Current RxNorm concept 4 FDA products 4 package NDCs 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

RxCUI1799416

Official nameTopotecan 4 MG Injection

Concept typeSemantic clinical drug (SCD)

RxNorm statusCurrent RxNorm concept

Also known astopotecan (as topotecan hydrochloride) 4 MG Injection

FDA products mapped4

Package NDCs mapped4

Reported Medicaid activity (SDUD)436 prescriptions · 12 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 Topotecan: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist

Topotecan is a chemotherapy used for three types of cancer: small cell lung cancer (SCLC), metastatic ovarian cancer, and advanced cervical cancer. The IV form covers all three, de...
What exactly is topotecan used to treat?
The most common effects are drops in blood counts — low white blood cells, red blood cells, and platelets — along with nausea, vomiting, hair loss, fatigue, and bowel changes. Most...
What side effects should I expect, and which ones should make me call someone right away?

📖 Read our full Topotecan guide →

🕸️ Concept Web — How Topotecan 4 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 Topotecan 4 MG Injection RxCUI 1799416 Semantic clinical drug · SCD

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

Ingredients 1

The active substance itself — no strength, form, or brand attached yet.
- Topotecan 57308 IN
Brand names 1

The same medicine's trade names. A brand name alone says nothing about strength or form.
- Hycamtin 203472 BN
Dose forms 6

The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.
- Topotecan Injection 1799415 SCDF
- Topotecan Injectable Product 1157655 SCDG
- Topotecan Injection [Hycamtin] 1799418 SBDF
- Hycamtin Injectable Product 1172714 SBDG
- Injection 1649574 DF
- Injectable Product 1151126 DFG
Clinical & branded drugs 3

Ingredient + strength + dose form. These are the concepts real FDA products actually carry.
- Topotecan 4 MG 1799414 SCDC
- Topotecan 4 MG Injection [Hycamtin] 637550 SBD
- Topotecan 4 MG [Hycamtin] 1799417 SBDC

Showing up to 8 concepts per family — 11 of 11 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

Topotecan 4 MG SCDC · 1799414
Topotecan Injection SCDF · 1799415
Topotecan Injectable Product SCDG · 1157655

Brand-Name Concepts

Topotecan 4 MG Injection [Hycamtin] SBD · 637550
Topotecan 4 MG [Hycamtin] SBDC · 1799417
Topotecan Injection [Hycamtin] SBDF · 1799418
Hycamtin Injectable Product SBDG · 1172714
Hycamtin BN · 203472

📦 FDA Products & Package NDCs

4 products · 4 package NDCs

4 package NDCs map to RxCUI 1799416 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
00078-0674-61	1 VIAL, SINGLE-DOSE in 1 CARTON (0078-0674-61) / 4 mL in 1...	HYCAMTIN	Novartis Pharmaceuticals Corporation	2016-12-21
16729-0151-31	1 VIAL in 1 PACKAGE (16729-151-31) / 4 mL in 1 VIAL	topotecan hydrochloride	Accord Healthcare, Inc.	2013-07-23
45963-0615-56	1 VIAL in 1 CARTON (45963-615-56) / 4 mL in 1 VIAL	Topotecan hydrochloride	Actavis Pharma, Inc.	2015-01-05
63323-0762-10	1 VIAL in 1 BOX (63323-762-10) / 4 mL in 1 VIAL	Topotecan Hydrochloride	Fresenius Kabi USA, LLC	2010-11-30

Observed labelers: Accord Healthcare, Inc. (1) · Actavis Pharma, Inc. (1) · Fresenius Kabi USA, LLC (1) · Novartis Pharmaceuticals Corporation (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
J9351	Topotecan injection	3	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.