NDC codes

FDA NDC Directory
Product NDC (as listed)58657-233Labeler and product segments. Claims need a package NDC.
Product NDC at billing width58657-0233Add 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
58657-233-0158657023301100 CAPSULE in 1 BOTTLE, PLASTIC (58657-233-01)Marketed from Apr 15, 2026

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)
Relgaabi
Generic name (nonproprietary)
gabapentin
Active ingredients
Gabapentin — 300 mg/1
Dosage form
Capsule
Route
Oral
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 204989
Marketing start
Listing expires
Other FDA classes
Decreased Central Nervous System Disorganized Electrical Activity (Physiologic effect)
Identifiers
Product ID 58657-233_4ef62c9f-cf61-6ad7-e063-6394a90a2774SPL ID 4ef62c9f-cf61-6ad7-e063-6394a90a2774SPL set ID 4cc6615b-5447-9c0e-e063-6394a90a2883RxCUI 310431, 310432, 2739001, 2739007, 2740839, 2740841UNII 6CW7F3G59XUPC 0358657231019, 0358657233013, 0358657234010

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

N458657023301 followed by a unit qualifier and the quantity

Package 58657-0233-01. 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

Label details couldn’t be retrieved right now. Open the label on DailyMed.

Other NDCs under ANDA 204989

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

FDA NDC Directory listings under ANDA 204989
ProductStrengthForm · routeLabelerProduct NDC
GabapentinGabapentin 100 mg/1CapsuleOralProficient Rx LP71205-638
GabapentinGabapentin 300 mg/1CapsuleOralDirect_Rx72189-392
GabapentinGabapentin 300 mg/1CapsuleOralREMEDYREPACK INC.70518-2970
GabapentinGabapentin 300 mg/1CapsuleOralAdvanced Rx of Tennessee, LLC80425-0182
GabapentinGabapentin 100 mg/1CapsuleOralPreferred Pharmaceuticals Inc.68788-8489
RelgaabigabapentinGabapentin 200 mg/1CapsuleOralMethod Pharmaceuticals, LLC58657-231
RelgaabigabapentinGabapentin 400 mg/1CapsuleOralMethod Pharmaceuticals, LLC58657-234
GabapentinGabapentin 100 mg/1CapsuleOralPD-Rx Pharmaceuticals, Inc.72789-289
GabapentinGabapentin 100 mg/1CapsuleOralBryant Ranch Prepack63629-8485
GabapentinGabapentin 100 mg/1CapsuleOralBryant Ranch Prepack63629-8484
GabapentinGabapentin 400 mg/1CapsuleOralBryant Ranch Prepack63629-8488
GabapentinGabapentin 300 mg/1CapsuleOralMedsource Pharmaceuticals45865-194
GabapentinGabapentin 300 mg/1CapsuleOralBryant Ranch Prepack63629-8486
GabapentinGabapentin 300 mg/1CapsuleOralBryant Ranch Prepack63629-8487
GabapentinGabapentin 100 mg/1CapsuleOralAsclemed USA, Inc.76420-259
GabapentinGabapentin 100 mg/1CapsuleOralBryant Ranch Prepack71335-3140
GabapentinGabapentin 300 mg/1CapsuleOralSt. Mary's Medical Park Pharmacy60760-741
GabapentinGabapentin 100 mg/1CapsuleOralA-S Medication Solutions50090-7672
GabapentinGabapentin 100 mg/1CapsuleOralA-S Medication Solutions50090-7673
GabapentinGabapentin 100 mg/1CapsuleOralSt. Mary's Medical Park Pharmacy60760-740

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