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Penicillin G potassium 1000000 UNT/ML Injectable Solution — RxCUI 863538

RxNorm drug concept · Semantic clinical drug
RxCUI 863538 Semantic clinical drug · SCD ● Current RxNorm concept 20 FDA products 22 package NDCs Snapshot Jul 14, 2026

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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

RxCUI863538
Official namePenicillin G potassium 1000000 UNT/ML Injectable Solution
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known asPenicillin G K+ 1000000 UNT/ML Injectable Solution; penicillin G potassium 1,000,000 UNT/ML Injectable Solution; Penicillin G Pot 1000000 UNT/ML Injectable Solution; penicillin G potassium 20,000,000 UNT per 11.5 ML Injectable Solution; penicillin G potassium 5,000,000 UNT per 3.2 ML Injectable Solution
FDA products mapped20
Package NDCs mapped22
Reported Medicaid activity (SDUD)2,238 prescriptions · 26 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 Penicillin G (Potassium, Sodium) Injection: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Penicillin G injection is reserved for serious, potentially life-threatening infections where we need high levels of antibiotic in your blood fast. An IV or intramuscular injection...
  • Why am I getting this antibiotic through an IV instead of just taking a pill?
  • Prior exposure without a reaction is reassuring, but it doesn't completely rule out a future allergic reaction. Allergies can develop over time or after repeated exposures. The mor...
  • I've taken penicillin before without a problem. Do I still need to worry about an allergic reaction?
📖 Read our full Penicillin G (Potassium, Sodium) Injection guide →

🕸️ Concept Web — How Penicillin G potassium 1000000 UNT/ML Injectable... 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 Penicillin G potassium 1000000 UNT/ML Injectable Solution RxCUI 863538

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

  1. Ingredients 2

    The active substance itself — no strength, form, or brand attached yet.

    • Penicillin G 7980
    • Penicillin G potassium 203133
  2. Brand names 1

    The same medicine's trade names. A brand name alone says nothing about strength or form.

    • Pfizerpen 8096
  3. Dose forms 9

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Penicillin G Injectable Solution 373262
    • Penicillin G potassium Injectable Solution 2647493
    • Penicillin G Injectable Product 1164764
    • Penicillin G potassium Injectable Product 2660986
    • Penicillin G Injectable Solution [Pfizerpen] 93752
    • Penicillin G potassium Injectable Solution [Pfizerpen] 2657690
    • Pfizerpen Injectable Product 1178225
    • Injectable Solution 316949
    • +1 more in this family
  4. Clinical & branded drugs 3

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

Showing up to 8 concepts per family — 14 of 15 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

  • Penicillin G potassium 1000000 UNT/ML SCDC · 863537
  • Penicillin G Injectable Solution SCDF · 373262
  • Penicillin G potassium Injectable Solution SCDFP · 2647493
  • Penicillin G Injectable Product SCDG · 1164764
  • Penicillin G potassium Injectable Product SCDGP · 2660986

Brand-Name Concepts

  • Penicillin G potassium 1000000 UNT/ML Injectable Solution [Pfizerpen] SBD · 995906
  • Penicillin G potassium 1000000 UNT/ML [Pfizerpen] SBDC · 995905
  • Penicillin G Injectable Solution [Pfizerpen] SBDF · 93752
  • Penicillin G potassium Injectable Solution [Pfizerpen] SBDFP · 2657690
  • Pfizerpen Injectable Product SBDG · 1178225
  • Pfizerpen BN · 8096

📦 FDA Products & Package NDCs

20 products · 22 package NDCs
22 package NDCs map to RxCUI 863538 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
00049-0420-10 10 VIAL in 1 CARTON (0049-0420-10) / 1 POWDER, FOR SOLUTION... Pfizerpen Roerig 2018-03-30
00049-0430-20 1 VIAL in 1 CARTON (0049-0430-20) / 1 POWDER, FOR SOLUTION... Pfizerpen Roerig 2018-03-30
00049-0520-22 10 VIAL in 1 CARTON (0049-0520-22) / 1 POWDER, FOR SOLUTION... Pfizerpen Roerig 2010-06-01
00049-0520-83 10 VIAL in 1 CARTON (0049-0520-83) / 1 POWDER, FOR SOLUTION... Pfizerpen Roerig 2010-06-01
00049-0530-22 1 VIAL in 1 CARTON (0049-0530-22) / 1 POWDER, FOR SOLUTION... Pfizerpen Roerig 2010-06-01
00049-0530-28 1 VIAL in 1 CARTON (0049-0530-28) / 1 POWDER, FOR SOLUTION... Pfizerpen Roerig 2010-06-01
00781-6135-95 10 VIAL in 1 CARTON (0781-6135-95) / 1 INJECTION, POWDER, F... Penicillin G Potassium Sandoz Inc 2001-08-30
00781-6136-94 1 VIAL in 1 CARTON (0781-6136-94) / 1 INJECTION, POWDER, FO... Penicillin G Potassium Sandoz Inc 2001-08-30
25021-0153-20 10 VIAL in 1 CARTON (25021-153-20) / 1 INJECTION, POWDER, F... Penicillin G Potassium Sagent Pharmaceuticals 2024-12-01
25021-0154-51 1 VIAL in 1 CARTON (25021-154-51) / 1 INJECTION, POWDER, FO... Penicillin G Potassium Sagent Pharmaceuticals 2024-11-01
44567-0310-10 10 VIAL in 1 TRAY (44567-310-10) / 1 INJECTION, POWDER, FOR... Penicillin G Potassium WG Critical Care, LLC 2012-05-10
44567-0311-10 10 VIAL in 1 TRAY (44567-311-10) / 1 INJECTION, POWDER, FOR... Penicillin G Potassium WG Critical Care, LLC 2012-05-10
44567-0312-01 1 VIAL in 1 CARTON (44567-312-01) / 1 INJECTION, POWDER, FO... Penicillin G Potassium WG Critical Care, LLC 2012-05-10
44567-0312-10 10 VIAL in 1 CARTON (44567-312-10) / 1 INJECTION, POWDER, F... Penicillin G Potassium WG Critical Care, LLC 2012-05-10
51662-1436-01 1 INJECTION, POWDER, FOR SOLUTION in 1 VIAL (51662-1436-1) BUFFERED PENICILLIN G POTASSIUM HF Acquisition Co LLC, DBA HealthFirst 2020-01-29
51662-1689-01 1 INJECTION, POWDER, FOR SOLUTION in 1 VIAL (51662-1689-1) PENICILLIN G POTASSIUM HF Acquisition Co LLC, DBA HealthFirst 2024-03-01
70860-0127-51 1 VIAL in 1 CARTON (70860-127-51) / 1 INJECTION, POWDER, FO... Penicillin G Potassium Athenex Pharmaceutical Division, LLC. 2019-05-21
72603-0210-01 1 VIAL in 1 CARTON (72603-210-01) / 1 INJECTION, POWDER, FO... Penicillin G Potassium NorthStar Rx, LLC 2024-03-01
72603-0210-10 10 VIAL in 1 CARTON (72603-210-10) / 1 INJECTION, POWDER, F... Penicillin G Potassium NorthStar Rx, LLC 2024-03-01
72603-0345-01 1 VIAL in 1 CARTON (72603-345-01) / 1 INJECTION, POWDER, FO... Penicillin G Potassium NorthStar Rx, LLC 2024-03-01
83634-0102-20 10 VIAL in 1 CARTON (83634-102-20) / 1 INJECTION, POWDER, F... Penicillin G Potassium Avenacy Inc. 2025-02-01
83634-0103-51 1 VIAL in 1 CARTON (83634-103-51) / 1 INJECTION, POWDER, FO... Penicillin G Potassium Avenacy Inc. 2025-02-01
Observed labelers: Roerig (6) · WG Critical Care, LLC (4) · NorthStar Rx, LLC (3) · Avenacy Inc. (2) · HF Acquisition Co LLC, DBA HealthFirst (2) · Sagent Pharmaceuticals (2) · +2 more — 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.
CodeDescriptorMapped packagesSources
J2540 Penicillin g potassium inj 18 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.