NDC codes

FDA NDC Directory
Product NDC (as listed)51655-300Labeler and product segments. Claims need a package NDC.
Product NDC at billing width51655-0300Add 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
51655-300-235165503002325 TABLET in 1 BOTTLE, DISPENSING (51655-300-23)Marketed from Dec 5, 2023
51655-300-265165503002690 TABLET in 1 BOTTLE, PLASTIC (51655-300-26)Marketed from May 5, 2023
51655-300-355165503003535 TABLET in 1 BOTTLE, PLASTIC (51655-300-35)Marketed from Dec 2, 2022
51655-300-505165503005060 TABLET in 1 BOTTLE, PLASTIC (51655-300-50)Marketed from Dec 2, 2022
51655-300-525165503005230 TABLET in 1 BOTTLE, DISPENSING (51655-300-52)Marketed from Oct 22, 2014
51655-300-545165503005415 TABLET in 1 BOTTLE, PLASTIC (51655-300-54)Marketed from Jan 11, 2023
51655-300-845165503008414 TABLET in 1 BOTTLE, PLASTIC (51655-300-84)Marketed from Jan 25, 2023

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)
Acyclovir
Generic name (nonproprietary)
acyclovir
Active ingredients
Acyclovir — 400 mg/1
Dosage form
Tablet
Route
Oral
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 203834
Marketing start
Listing expires
Other FDA classes
DNA Polymerase Inhibitors (Mechanism)Nucleoside Analog (EXT)
Identifiers
Product ID 51655-300_48eadee3-c054-1e41-e063-6294a90a6a66SPL ID 48eadee3-c054-1e41-e063-6294a90a6a66SPL set ID 5dcfd21c-43f0-469c-be70-a4e74e6ccf88RxCUI 197311UNII X4HES1O11F
Pharmacologic class
Herpes Simplex Virus Nucleoside Analog DNA Polymerase Inhibitor; Herpes Zoster Virus Nucleoside Analog DNA Polymerase Inhibitor; Herpesvirus Nucleoside Analog DNA Polymerase Inhibitor

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

N451655030023 followed by a unit qualifier and the quantity

Package 51655-0300-23. 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 & USAGE Herpes Zoster Infections: Acyclovir tablets, USP are indicated for the acute treatment of herpes zoster (shingles). Genital Herpes: Acyclovir tablets, USP are indicated for the treatment of initial episodes and the management of recurrent episodes of genital herpes. Chickenpox: Acyclovir tablets, USP are indicated for the treatment of chickenpox (varicella).

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under ANDA 203834

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

FDA NDC Directory listings under ANDA 203834
ProductStrengthForm · routeLabelerProduct NDC
AcyclovirAcyclovir 400 mg/1TabletOralNuCare Pharmaceuticals,Inc.68071-1841
AcyclovirAcyclovir 800 mg/1TabletOralCamber Pharmaceuticals, Inc.31722-778
AcyclovirAcyclovir 400 mg/1TabletOralBryant Ranch Prepack71335-0323
AcyclovirAcyclovir 400 mg/1TabletOralCamber Pharmaceuticals, Inc.31722-777
AcyclovirAcyclovir 400 mg/1TabletOralProficient Rx LP63187-253
AcyclovirAcyclovir 400 mg/1TabletOralREMEDYREPACK INC.70518-2117
AcyclovirAcyclovir 800 mg/1TabletOralNuCare Pharmaceuticals, Inc.68071-3222
AcyclovirAcyclovir 400 mg/1TabletOralPD-Rx Pharmaceuticals, Inc.43063-928
AcyclovirAcyclovir 800 mg/1TabletOralSt. Mary's Medical Park Pharmacy60760-778
AcyclovirAcyclovir 400 mg/1TabletOralAdvanced Rx Pharmacy of Tennessee, LLC80425-0270
AcyclovirAcyclovir 800 mg/1TabletOralPharmPak, Inc.54348-624
AcyclovirAcyclovir 400 mg/1TabletOralPharmPak, Inc.54348-627
AcyclovirAcyclovir 800 mg/1TabletOralNorthwind Health Company, LLC51655-679
AcyclovirAcyclovir 400 mg/1TabletOralA-S Medication Solutions50090-6844
AcyclovirAcyclovir 400 mg/1TabletOralNuCare Pharmaceuticals,Inc.68071-4799
AcyclovirAcyclovir 800 mg/1TabletOralPreferred Pharmaceuticals, Inc.68788-7575
AcyclovirAcyclovir 400 mg/1TabletOralREMEDYREPACK INC.70518-2455
AcyclovirAcyclovir 800 mg/1TabletOralREMEDYREPACK INC.70518-2518
AcyclovirAcyclovir 800 mg/1TabletOralPD-Rx Pharmaceuticals, Inc.43063-589
AcyclovirAcyclovir 400 mg/1TabletOralMajor Pharmaceuticals0904-7507

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