NDC codes

FDA NDC Directory
Product NDC (as listed)72162-2391Labeler and product segments. Claims need a package NDC.
Product NDC at billing width72162-2391Add 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
72162-2391-172162239101100 TABLET in 1 BOTTLE (72162-2391-1)Marketed from Jul 20, 2026

How the 11-digit form is made: The package segment has 1 digit, so one leading zero is added to it (5-4-1 → 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)
Metolazone
Generic name (nonproprietary)
metolazone
Active ingredients
Metolazone — 10 mg/1
Dosage form
Tablet
Route
Oral
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 213827
Marketing start
Listing expires
Other FDA classes
Increased Diuresis (Physiologic effect)
Identifiers
Product ID 72162-2391_427abfe9-02e5-43c8-bbad-dfaf9c49c3f8SPL ID 427abfe9-02e5-43c8-bbad-dfaf9c49c3f8SPL set ID 27ab833e-b809-4a80-b7fc-b3599f1751d3RxCUI 197978UNII TZ7V40X7VX
Pharmacologic class
Thiazide-like Diuretic

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

N472162239101 followed by a unit qualifier and the quantity

Package 72162-2391-01. 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 .

Indications (excerpt from the label)

INDICATIONS AND USAGE Metolazone tablets, USP, are indicated for the treatment of salt and water retention including: · edema accompanying congestive heart failure; · edema accompanying renal diseases, including the nephrotic syndrome and states of diminished renal function. Metolazone tablets, USP, are also indicated for the treatment of hypertension, alone or in combination with other antihypertensive drugs of a different class. MYKROX Tablets, a more rapidly available form of metolazone, are intended for the treatment of new patients with mild to moderate hypertension. A dose titration is necessary if MYKROX Tablets are to be substituted for metolazone tablets, USP, in the treatment of hy…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

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