NDC codes

FDA NDC Directory
Product NDC (as listed)50633-920Labeler and product segments. Claims need a package NDC.
Product NDC at billing width50633-0920Add 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 NDC11-digit (billing)PackageCopy
50633-920-205063309202050633092020420 BOX in 1 CARTON (50633-920-20) / 20 BLISTER PACK in 1 BOX / 1 TABLET in 1 BLISTER PACKMarketed from Nov 26, 2025

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)
Thyrosafe
Generic name (nonproprietary)
potassium iodide
Active ingredients
Potassium iodide — 130 mg/1
Dosage form
Tablet
Route
Oral
Labeler
BTG International IncNDC labeler code 50633
Product type
Over-the-counter drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 076350
Marketing start
Listing expires
Identifiers
Product ID 50633-920_596697f9-8674-0e84-e063-6294a90a5efeSPL ID 596697f9-8674-0e84-e063-6294a90a5efeSPL set ID 30387dc3-da14-1964-e063-6394a90afa4eRxCUI 312539, 2735395UNII 1C4QK22F9JUPC 0350633920207

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

N450633092020 followed by a unit qualifier and the quantity

Package 50633-0920-20. 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 .

Indications (excerpt from the label)

DIRECTIONS FOR USE Use only as directed by public officials if a nuclear radiation emergency happens.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 50633-920

What is NDC 50633-920?
50633-920 is the product NDC for Thyrosafe (potassium iodide), Potassium iodide 130 mg/1 tablet, listed with the FDA by BTG International Inc. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?
Thyrosafe (Potassium iodide).
What is the active ingredient?
Potassium iodide.
Who is the labeler?
BTG International Inc, NDC labeler code 50633. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Thyrosafe?
1 other product NDC are listed under this name. See all Thyrosafe NDCs.
Is there a related HCPCS / J-code?
Not in Med-Code's curated HCPCS directory. See Billing references above.

Other finished products listed under the same name: strengths, forms and labelers.

Other Thyrosafe NDCs
ProductStrengthForm · routeLabelerProduct NDCPackage NDCs (11-digit)
ThyroSafepotassium iodidePotassium iodide 65 mg/1TabletOralBTG International Inc.50633-91050633-0910-20

Other NDCs under ANDA 076350

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

FDA NDC Directory listings under ANDA 076350
ProductStrengthForm · routeLabelerProduct NDC
ThyroSafepotassium iodidePotassium iodide 65 mg/1TabletOralBTG International Inc.50633-910

Free account

Log in to keep searching

You’ve used your 3 free searches. Med-Code is free: log in or create a free profile to keep looking up NDCs, J-codes and drugs.

Create a free profileLog in