What is NDC 85966-001?

85966-001 is the product NDC for Extra Strength Nail Fungus Treatment, Tolnaftate 1 g/100mL; Undecylenic acid 25 g/100mL liquid, listed with the FDA by GUANGZHOU SAWEILAN IMPORT & EXPORT TRADING CO., LTD. It has 2 package NDCs, shown above in 10- and 11-digit form.

What drug is associated with this NDC?

Extra Strength Nail Fungus Treatment (Undecylenic acid, Tolnaftate).

GUANGZHOU SAWEILAN IMPORT & EXPORT TRADING CO., LTD, NDC labeler code 85966. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Extra Strength Nail Fungus Treatment?

None: this is the only finished product listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Extra Strength Nail Fungus Treatment NDC 85966-001

NDC codes

FDA NDC Directory

Product NDC (as listed)85966-001Labeler and product segments. Claims need a package NDC.

Product NDC at billing width85966-0001Add 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
85966-001-01	8596600010185966000101	30 mL in 1 BOTTLE (85966-001-01)Marketed from Jul 25, 2025
85966-001-02	8596600010285966000102	2 BOTTLE in 1 BOX (85966-001-02) / 30 mL in 1 BOTTLEMarketed from Jul 25, 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): Extra Strength Nail Fungus Treatment
Generic name (nonproprietary): undecylenic acid, tolnaftate
Active ingredients: Tolnaftate — 1 g/100mLUndecylenic acid — 25 g/100mL
Dosage form: Liquid
Route: Topical
Labeler: GUANGZHOU SAWEILAN IMPORT & EXPORT TRADING CO., LTDNDC labeler code 85966
Product type: Over-the-counter drug
Marketing category: OTC monograph drugApplication M 005
Marketing start: Jul 25, 2025
Listing expires: Dec 31, 2026
Identifiers: Product ID 85966-001_3dced015-71fd-f6ab-e063-6294a90a0dc3SPL ID 3dced015-71fd-f6ab-e063-6294a90a0dc3SPL set ID 3abc0892-e52b-a40f-e063-6294a90a0e35RxCUI 2691548UNII 06KB629TKV, K3D86KJ24N

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. Topical products like this are usually dispensed by a pharmacy and billed by NDC.

NDC on a medical claim

N485966000101 followed by a unit qualifier and the quantity

Package 85966-0001-01. 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 Sep 2, 2025.

Indications (excerpt from the label)

For the effective treatment of nail fungus, discoloration, thickening, splitting, crumbling and brittleness Cures most athlete's foot (tinea pedis), jock itch (tinea cruris), and ringworm (tinea corporis). For effective relief of itching, scaling, burning, redness, soreness, and irritation. Proven effective in the prevention of most athlete's foot (tinea pedis) with daily use.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 85966-001

What is NDC 85966-001?: 85966-001 is the product NDC for Extra Strength Nail Fungus Treatment, Tolnaftate 1 g/100mL; Undecylenic acid 25 g/100mL liquid, listed with the FDA by GUANGZHOU SAWEILAN IMPORT & EXPORT TRADING CO., LTD. It has 2 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Extra Strength Nail Fungus Treatment (Undecylenic acid, Tolnaftate).
What is the active ingredient?: Tolnaftate, Undecylenic acid.
Who is the labeler?: GUANGZHOU SAWEILAN IMPORT & EXPORT TRADING CO., LTD, NDC labeler code 85966. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Extra Strength Nail Fungus Treatment?: None: this is the only finished product listed under this name.
Is there a related HCPCS / J-code?: Not in Med-Code's curated HCPCS directory. See Billing references above.

Other NDCs under M 005

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

FDA NDC Directory listings under M 005
Product	Strength	Form · route	Labeler	Product NDC
Lavender Foot and Shoe Antifungalundecylenic acid 10%	Undecylenic acid 10 g/100mL	SprayTopical	SANSAR, LLC	83691-015
Sefudun Fungal Nail Patchesglycerin	Glycerin .01 g/1	PatchTopical	Shenzhen Shandian Jingling Technology Co., Ltd.	83804-006
Hongo Killertolnaftate	Miconazole nitrate .2 g/10g	Aerosol, SprayTopical	Efficient Laboratories Inc	58593-625
Lights Isopropyl Alcohol Prep Padsisopropyl alcohol	Isopropyl alcohol 70 mL/100mL	SolutionTopical	Lights Medical Manufacture Co., Ltd.	61333-206
Miconazole Nitrate	Miconazole nitrate 20 mg/g	CreamTopical	STRATEGIC SOURCING SERVICES LLC	70677-1000
Tolnaftatemeijer athletes foot liquid spray	Tolnaftate 1.5 g/150g	Aerosol, SprayTopical	Meijer Distribution Inc.	79481-0591
Mint Blast Foot and Shoe Antifungalundecylenic acid 10%	Undecylenic acid 10 g/100mL	SprayTopical	SANSAR, LLC	83691-013
NATURAL CURES FUNGAL NAIL Patchestolnaftate 1% fungal nail patches	Tolnaftate 1 g/1001	PatchTopical	Jiangxi Yudexi Pharmaceutical Co., LTD	85248-202
Benzo Dermabenzoic acid, salicylic acid, sulfur	Salicylic acid 2.5 g/100g + 2 more ingredients	CreamTopical	LABORATORIOS H.G. C.A.	84058-130
SUNMARK MICONAZOLE NITRATE antifungalmiconazole nitrate	Miconazole nitrate 20 mg/g	CreamTopical	Strategic Sourcing Services LLC	49348-689
Hongo Killertolnaftate	Tolnaftate 1 g/100g	PowderTopical	Efficient Laboratories Inc	58593-288
Mycozyl ALtolnaftate	Tolnaftate .3 g/30mL	LiquidTopical	PureTek Corporation	59088-443
Tolnaftate Cream 1%tolnaftate	Tolnaftate 10 mg/g	CreamTopical	Pharmacy Value Alliance, LLC.	68016-152
Citrus Detox Foot and Shoe Antifungalundecylenic acid 10%	Undecylenic acid 10 g/100mL	SprayTopical	SANSAR, LLC	83691-014
Antifungal Ringworm Treatmentmiconazole nitrate	Miconazole nitrate 2 g/100mL	SprayTopical	Rida LLC	83004-030
Jock-Ezeclotrimazole	Clotrimazole 10 mg/g	CreamTopical	Bentlin Products LLC	47832-071
Maximum Strength Antifungal Liquidtolnaftate	Tolnaftate 10 mg/mL	LiquidTopical	Walgreens Company	0363-2026
QualiLife persimmon foot and shoeundecylenic acid	Undecylenic acid 10 g/100mL	SprayTopical	Guangdong Aimu Biological Technology Co., Ltd	83566-618
Terramed Just Think Comfort Armor Antifungal Body Wash Tea Treetolnaftate	Tolnaftate 1 g/100g	GelTopical	Rida LLC	83004-032
Kakalsa TOENAIL FUNGUS TREATMENTundecylenic acid 25% toenail fungus treatment	Undecylenic acid 25 g/100mL	LiquidTopical	Jiangxi Yudexi Pharmaceutical Co., LTD	85248-204

Showing 20 of 40.

Extra Strength Nail Fungus Treatment (Undecylenic acid, tolnaftate) NDC 85966-001