What is NDC 81943-503?

81943-503 is the product NDC for Quabic-100, Sodium bicarbonate 8.4 g/100mL solution, concentrate, listed with the FDA by Aqua Medica, S.A. de C.V.. It has 1 package NDC, shown above in 10- and 11-digit form.

What drug is associated with this NDC?

Quabic-100 (Hemodialysis Grade Sodium Bicarbonate Solution).

Aqua Medica, S.A. de C.V., NDC labeler code 81943. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Quabic-100?

1 other product NDC are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Quabic-100 NDC 81943-503 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)81943-503Labeler and product segments. Claims need a package NDC.

Product NDC at billing width81943-0503Add the package segment from the table below.

Package NDCs as listed with the FDA, and the 11-digit 5-4-2 form used on claims. The highlighted digit is the added leading zero.
Package NDC	11-digit (billing)	Package	Copy
81943-503-02	81943050302	650 mL in 1 BOTTLE (81943-503-02)Marketed from Mar 30, 2020

How the 11-digit form is made: The product segment has 3 digits, so one leading zero is added to it (5-3-2 → 5-4-2). Formatting the NDC does not by itself make it billable — the product, package and quantity must match what was dispensed or administered, and payer rules apply. Conversion rules

Product information

Brand name (proprietary): Quabic-100
Generic name (nonproprietary): hemodialysis grade sodium bicarbonate solution
Active ingredients: Sodium bicarbonate — 8.4 g/100mL
Dosage form: Solution, Concentrate
Route: Hemodialysis
Labeler: Aqua Medica, S.A. de C.V.NDC labeler code 81943
Product type: Over-the-counter drug
Marketing category: Unapproved drug (other)
Marketing start: Mar 30, 2020
Listing expires: Dec 31, 2026
Other FDA classes: Alkalinizing Activity (Mechanism)
Identifiers: Product ID 81943-503_434867f7-9e51-1f4e-e063-6394a90a641dSPL ID 434867f7-9e51-1f4e-e063-6394a90a641dSPL set ID 1484a825-40c6-a9c9-e063-6294a90a9ca4UNII 8MDF5V39QO

Billing references

What Med-Code can say about coding this product, and where each statement comes from. Nothing here is inferred from the name alone.

HCPCS codeNo match

No drug-specific HCPCS code in Med-Code's directory for this product. The directory is curated and not complete — check the current CMS HCPCS file before billing.

NDC on a medical claim

N481943050302 followed by a unit qualifier and the quantity

Package 81943-0503-02. Unit qualifiers: F2 (international unit), GR (gram), ME (milligram), ML (milliliter), UN (unit (each)). The qualifier and quantity depend on what was given. About the N4 qualifier

Product label

Current FDA label (SPL), effective Nov 10, 2025.

Full label on DailyMed (opens in a new tab)

About NDC 81943-503

What is NDC 81943-503?: 81943-503 is the product NDC for Quabic-100, Sodium bicarbonate 8.4 g/100mL solution, concentrate, listed with the FDA by Aqua Medica, S.A. de C.V.. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Quabic-100 (Hemodialysis Grade Sodium Bicarbonate Solution).
What is the active ingredient?: Sodium bicarbonate.
Who is the labeler?: Aqua Medica, S.A. de C.V., NDC labeler code 81943. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Quabic-100?: 1 other product NDC are listed under this name. See all Quabic-100 NDCs.
Is there a related HCPCS / J-code?: Not in Med-Code's curated HCPCS directory. See Billing references above.