What is NDC 51655-166?

51655-166 is the product NDC for Etodolac, Etodolac 300 mg/1 capsule, listed with the FDA by Northwind Health Company, LLC. It has 1 package NDC, shown above in 10- and 11-digit form.

Northwind Health Company, LLC, NDC labeler code 51655. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Etodolac?

100 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Etodolac NDC 51655-166 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)51655-166Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51655-0166Add 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
51655-166-52	51655016652	30 CAPSULE in 1 BOTTLE, DISPENSING (51655-166-52)Marketed from Nov 13, 2014

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): Etodolac
Generic name (nonproprietary): etodolac
Active ingredients: Etodolac — 300 mg/1
Dosage form: Capsule
Route: Oral
Labeler: Northwind Health Company, LLCNDC labeler code 51655
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 075419
Marketing start: Nov 13, 2014
Listing expires: Dec 31, 2027
Other FDA classes: Non-Steroidal (Chemical structure)Cyclooxygenase Inhibitors (Mechanism)
Identifiers: Product ID 51655-166_48c3f545-4ae6-d18f-e063-6294a90acb45SPL ID 48c3f545-4ae6-d18f-e063-6294a90acb45SPL set ID 7ec87ffd-057e-420c-b8f2-0a6eed4152beRxCUI 197685UNII 2M36281008
Pharmacologic class: Nonsteroidal Anti-inflammatory 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 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

N451655016652 followed by a unit qualifier and the quantity

Package 51655-0166-52. 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 1, 2026. This label includes a boxed warning.

Indications (excerpt from the label)

INDICATIONS AND USAGE Carefully consider the potential benefits and risks of etodolac and other treatment options before deciding to use etodolac. Use the lowest effective dose for the shortest duration consistent with individual patient treatment goals (see WARNINGS ). Etodolac capsules are indicated: For acute and long-term use in the management of signs and symptoms of the following: Osteoarthritis Rheumatoid arthritis For the management of acute pain

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 51655-166

What is NDC 51655-166?: 51655-166 is the product NDC for Etodolac, Etodolac 300 mg/1 capsule, listed with the FDA by Northwind Health Company, LLC. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Etodolac.
What is the active ingredient?: Etodolac.
Who is the labeler?: Northwind Health Company, LLC, NDC labeler code 51655. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Etodolac?: 100 other product NDCs are listed under this name. See all Etodolac NDCs.
Is there a related HCPCS / J-code?: Not in Med-Code's curated HCPCS directory. See Billing references above.

Other finished products listed under the same name: strengths, forms and labelers.

Other Etodolac NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Etodolac	Etodolac 400 mg/1	Tablet, Film coatedOral	Aurobindo Pharma Limited	59651-461	59651-0461-01
Etodolac	Etodolac 500 mg/1	Tablet, Film coatedOral	Aurobindo Pharma Limited	59651-462	59651-0462-01
etodolac	Etodolac 400 mg/1	TabletOral	Ipca Laboratories Limited	83980-029	83980-0029-0183980-0029-1083980-0029-13
etodolac	Etodolac 500 mg/1	TabletOral	Ipca Laboratories Limited	83980-030	83980-0030-0183980-0030-0583980-0030-13
etodolac	Etodolac 300 mg/1	CapsuleOral	A-S Medication Solutions	50090-8037	50090-8037-01
etodolac	Etodolac 200 mg/1	CapsuleOral	Ipca Laboratories Limited	83980-031	83980-0031-0183980-0031-0583980-0031-13
etodolac	Etodolac 300 mg/1	CapsuleOral	Ipca Laboratories Limited	83980-032	83980-0032-0183980-0032-0583980-0032-13
Etodolac	Etodolac 400 mg/1	Tablet, Film coatedOral	REMEDYREPACK INC.	70518-4542	70518-4542-00
Etodolac	Etodolac 400 mg/1	Tablet, Film coatedOral	Advanced Rx of Tennessee, LLC	80425-0551	80425-0551-01
Etodolac	Etodolac 400 mg/1	Tablet, Film coatedOral	Preferred Pharmaceuticals Inc.	68788-8846	68788-8846-0168788-8846-0268788-8846-03+2 more

All 101 Etodolac NDCs

Other NDCs under ANDA 075419

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

FDA NDC Directory listings under ANDA 075419
Product	Strength	Form · route	Labeler	Product NDC
Etodolac	Etodolac 200 mg/1	CapsuleOral	Apotex Corp.	60505-0039
Etodolac	Etodolac 300 mg/1	CapsuleOral	Apotex Corp.	60505-0040