What is NDC 81943-604?

81943-604 is the product NDC for Aquacid-120 (acid concentrate for hemodialysis), Potassium chlorate .671 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?

Aquacid-120 (Acid Concentrate for Hemodialysis).

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 Aquacid-120?

None: this is the only finished product listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Aquacid-120 NDC 81943-604 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)81943-604Labeler and product segments. Claims need a package NDC.

Product NDC at billing width81943-0604Add 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
81943-604-02	81943060402	3785 mL in 1 BOTTLE (81943-604-02)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): Aquacid-120
Generic name (nonproprietary): acid concentrate for hemodialysis
Active ingredients: Potassium chlorate — .671 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
Identifiers: Product ID 81943-604_434867b2-098b-5d19-e063-6294a90a7dcbSPL ID 434867b2-098b-5d19-e063-6294a90a7dcbSPL set ID c3c1da3a-abad-383c-e053-2a95a90a1a4fUNII H35KS68EE7

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

N481943060402 followed by a unit qualifier and the quantity

Package 81943-0604-02. 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.

Indications (excerpt from the label)

Use For use with 3-pump hemodialysis machines only, using purified water (Standard 13959:2014) and in combination with sodium bicarbonate.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 81943-604

What is NDC 81943-604?: 81943-604 is the product NDC for Aquacid-120 (acid concentrate for hemodialysis), Potassium chlorate .671 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?: Aquacid-120 (Acid Concentrate for Hemodialysis).
What is the active ingredient?: Potassium chlorate.
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 Aquacid-120?: None: this is the only finished product listed under this name.
Is there a related HCPCS / J-code?: Not in Med-Code's curated HCPCS directory. See Billing references above.

Aquacid-120 (Acid concentrate for hemodialysis) NDC 81943-604