NDC codes

FDA NDC Directory
Product NDC (as listed)17224-502Labeler and product segments. Claims need a package NDC.
Product NDC at billing width17224-0502Add 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
17224-502-30172240502301722405023030 TABLET in 1 BOTTLE (17224-502-30)Marketed from Aug 1, 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)
NP Thyroid
Generic name (nonproprietary)
thyroid tablets
Active ingredients
Liothyronine — 4.5 ug/1Levothyroxine — 19 ug/1
Dosage form
Tablet
Route
Oral
Labeler
Calvin Scott & Co Inc.NDC labeler code 17224
Product type
Over-the-counter drug
Marketing category
Unapproved drug (other)
Marketing start
Listing expires
Other FDA classes
Thyroxine (Chemical structure)Triiodothyronine (Chemical structure)
Identifiers
Product ID 17224-502_3bfc5cfe-b655-2faf-e063-6294a90ade3cSPL ID 3bfc5cfe-b655-2faf-e063-6294a90ade3cSPL set ID 3bfc5cfe-b654-2faf-e063-6294a90ade3cRxCUI 313387, 1724439UNII 06LU7C9H1V, Q51BO43MG4
Pharmacologic class
l-Thyroxine; l-Triiodothyronine

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

N417224050230 followed by a unit qualifier and the quantity

Package 17224-0502-30. 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)

Used as a thyroid hormone replacement for hypothyroidism.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 17224-502

What is NDC 17224-502?
17224-502 is the product NDC for NP Thyroid (thyroid tablets), Liothyronine 4.5 ug/1; Levothyroxine 19 ug/1 tablet, listed with the FDA by Calvin Scott & Co Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?
NP Thyroid (Thyroid tablets).
What is the active ingredient?
Liothyronine, Levothyroxine.
Who is the labeler?
Calvin Scott & Co Inc., NDC labeler code 17224. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for NP Thyroid?
5 other product NDCs are listed under this name. See all NP Thyroid 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 NP Thyroid NDCs
ProductStrengthForm · routeLabelerProduct NDCPackage NDCs (11-digit)
NP Thyroidthyroid tabletsLevothyroxine 38 ug/1; Liothyronine 9 ug/1TabletOralCalvin Scott & Co Inc.17224-50317224-0503-28
NP Thyroidthyroid tabletsLiothyronine 13.5 ug/1; Levothyroxine 57 ug/1TabletOralCalvin Scott & Co Inc.17224-50417224-0504-28
NP Thyroidthyroid tabletsLevothyroxine 76 ug/1; Liothyronine 18 ug/1TabletOralCalvin Scott & Co Inc.17224-50517224-0505-30
NP Thyroidthyroid tabletsLiothyronine 2.25 ug/1; Levothyroxine 9.5 ug/1TabletOralCalvin Scott & Co Inc.17224-51117224-0511-30
Np Thyroidlevothyroxine, liothyronineLiothyronine 4.5 ug/1; Levothyroxine 19 ug/1TabletOralDIRECT RX72189-21872189-0218-90

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