What is NDC 49973-301?

49973-301 is the product NDC for Azo (urinary pain relief), Phenazopyridine hydrochloride 95 mg/1 tablet, listed with the FDA by i-Health, Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.

i-Health, Inc., NDC labeler code 49973. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Azo?

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.

Azo NDC 49973-301 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)49973-301Labeler and product segments. Claims need a package NDC.

Product NDC at billing width49973-0301Add 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
49973-301-31	4997303013149973030131	15 BLISTER PACK in 1 BOX (49973-301-31) / 2 TABLET in 1 BLISTER PACKMarketed from May 24, 2012

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): Azo
Generic name (nonproprietary): urinary pain relief
Active ingredients: Phenazopyridine hydrochloride — 95 mg/1
Dosage form: Tablet
Route: Oral
Labeler: i-Health, Inc.NDC labeler code 49973
Product type: Over-the-counter drug
Marketing category: Unapproved drug (other)
Marketing start: May 24, 2012
Listing expires: Dec 31, 2027
Identifiers: Product ID 49973-301_47a4fa0f-9c93-6286-e063-6394a90aa070SPL ID 47a4fa0f-9c93-6286-e063-6394a90aa070SPL set ID 3d0298b7-eaec-488b-9cab-19af4614ff53RxCUI 1094126, 1094192UNII 0EWG668W17

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

N449973030131 followed by a unit qualifier and the quantity

Package 49973-0301-31. 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 Jan 5, 2026.

Indications (excerpt from the label)

Use Relief from urinary pain, burning, urgency and frequency associated with urinary tract infections.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 49973-301

What is NDC 49973-301?: 49973-301 is the product NDC for Azo (urinary pain relief), Phenazopyridine hydrochloride 95 mg/1 tablet, listed with the FDA by i-Health, Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Azo (Urinary Pain Relief).
What is the active ingredient?: Phenazopyridine hydrochloride.
Who is the labeler?: i-Health, Inc., NDC labeler code 49973. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Azo?: 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.

Azo (Urinary pain relief) NDC 49973-301