NDC codes

FDA NDC Directory
Product NDC (as listed)31722-371Labeler and product segments. Claims need a package NDC.
Product NDC at billing width31722-0371Add 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
31722-371-323172203713210 VIAL in 1 CARTON (31722-371-32) / 10 mL in 1 VIAL (31722-371-31)Marketed from Aug 5, 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)
Doxycycline
Generic name (nonproprietary)
doxycycline
Active ingredients
Doxycycline hyclate — 100 mg/10mL
Dosage form
Injection, Powder, Lyophilized, For solution
Route
Intravenous
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 218888
Marketing start
Listing expires
Other FDA classes
Tetracyclines (Chemical structure)
Identifiers
Product ID 31722-371_44923ffd-23df-ccf8-e063-6394a90aeff5SPL ID 44923ffd-23df-ccf8-e063-6394a90aeff5SPL set ID 0faee97d-2707-48fe-a739-143cd1a1c4e3RxCUI 310027UNII 19XTS3T51UUPC 0331722371315
Pharmacologic class
Tetracycline-class Drug

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 drug-specific HCPCS code in Med-Code's directory for this product. The directory is curated and not complete — check the current CMS HCPCS file before billing.

Administration

Drug administration (CPT 96360–96549)

When a clinician administers the drug, the administration is reported separately. Codes in this range cover hydration, therapeutic injections and infusions, and chemotherapy or other complex drug administration. The right code depends on route, duration and drug type, and self-administered drugs are not billed this way.

How CPT relates to drug billing

NDC on a medical claim

N431722037132 followed by a unit qualifier and the quantity

Package 31722-0371-32. 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 To reduce the development of drug-resistant bacteria and maintain the effectiveness of doxycycline for injection, and other antibacterial drugs, doxycycline for injection should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy. Doxycycline for injection is indicated in infections caused by the following microorganisms: • Rickettsiae (Rocky Moun…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

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