Iosat (potassium iodide) NDC 51803-002

NDC codes

FDA NDC Directory

Product NDC (as listed)51803-002Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51803-0002Add 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
51803-002-01	51803000201	20 TABLET in 1 PACKAGE (51803-002-01)Marketed from May 1, 2013
51803-002-02	51803000202	14 TABLET in 1 PACKAGE (51803-002-02)Marketed from Nov 23, 2015

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): Iosat
Generic name (nonproprietary): potassium iodide
Active ingredients: Potassium iodide — 65 mg/1
Dosage form: Tablet
Route: Oral
Labeler: Anbex Inc.
Product type: Over-the-counter drug
Marketing category: NDA — New Drug ApplicationApplication NDA 018664
Marketing start: May 1, 2013
Listing expires: Dec 31, 2026
Identifiers: Product ID 51803-002_404359f0-cb48-bcf0-e063-6294a90a6191SPL ID 404359f0-cb48-bcf0-e063-6294a90a6191SPL set ID bab815ee-47ef-4c87-a60d-e0d7863ad871RxCUI 430174, 1423814UNII 1C4QK22F9J

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 HCPCS code in Med-Code's directory. Oral products like this are usually dispensed by a pharmacy and billed by NDC.

NDC on a medical claim

N451803000201 followed by a unit qualifier and the quantity

Package 51803-0002-01. 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 Oct 3, 2025.

Indications (excerpt from the label)

Uses Helps prevent radioactive iodine from getting into the thyroid gland during a nuclear radiation emergency. Use along with other emergency measures recommended by public officials.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under NDA 018664

Products listed under the same FDA application: other strengths and forms, and repackagers who relabel the same product.

FDA NDC Directory listings under NDA 018664
Product	Strength	Form · route	Labeler	Product NDC
Iosatpotassium iodide	Potassium iodide 130 mg/1	TabletOral	Anbex Inc.	51803-001