Ponamfo Antifungal Treatment Pen Solution
NDC Package 85959-004-01

View Billable Units, 11-Digit Conversion Format, and RxNorm mappings
Table of Contents
    1. Package Information
    2. Frequently Asked Questions

Package Information

Ponamfo Antifungal Treatment Pen (undecylenic) solution is directions• Clean the affected area and dry thoroughly.• Apply a thin layer of this product over the affected area twice daily, morning and night, or as directed by a doctor.• Supervise children in the use of this product.• For athlete's foot: pay special attention to spaces between the toes, wear well-fitting, ventilated shoes, and change shoes and socks at least once daily.• For athlete's foot and ringworm, use daily for 4 weeks. This formulation utilizes a solution delivery system. Marketed by Guangzhou Bixiaoyu Trading Co., Ltd., this product is identified by NDC 85959-004 and is authorized under FDA application M005.

Identification & Billing

NDC Package Code
85959-004-01
Package Description
15 mL in 1 BOTTLE
Product Code
85959-004
11-Digit Billing Format
85959000401

Clinical Specifications

Proprietary Name
Ponamfo Antifungal Treatment Pen
Non-Proprietary Name
Undecylenic
Substance Name
Undecylenic Acid
Dosage Form
Solution - A clear, homogeneous liquid1 dosage form that contains one or more chemical substances dissolved in a solvent or mixture of mutually miscible solvents.
Administration Route
Topical - Administration to a particular spot on the outer surface of the body. The E2B term TRANSMAMMARY is a subset of the term TOPICAL.
Active Ingredient(s)
UNDECYLENIC ACID 25 g/100mL
Usage Information
Directions• Clean the affected area and dry thoroughly.• Apply a thin layer of this product over the affected area twice daily, morning and night, or as directed by a doctor.• Supervise children in the use of this product.• For athlete's foot: pay special attention to spaces between the toes, wear well-fitting, ventilated shoes, and change shoes and socks at least once daily.• For athlete's foot and ringworm, use daily for 4 weeks. If the condition persists longer, consult a doctor.

Regulatory & Marketing

Labeler Name
Guangzhou Bixiaoyu Trading Co., Ltd.
Product Type
Human Otc Drug
FDA Application #
M005
Marketing Category
OTC MONOGRAPH DRUG -
Start Marketing Date
07-28-2026
Listing Expiration
12-31-2027
Exclude Flag
N
Sample Package
No

Hierarchy Structure

Code Lineage

The NDC Directory contains ONLY information on final marketed drugs submitted to FDA electronically by labelers. A labeler might be a manufacturer, re-packager or re-labeler. The product information included in the NDC directory does not indicate that FDA has verified the information provided by the product labeler. Assigned NDC numbers are not in any way an indication of FDA approval of the product.

* Please review the full disclaimer at the bottom of this page.

Frequently Asked Questions

What is the distribution configuration for this product package?

The code 85959-004-01 identifies a specific commercial package of 15 ml in 1 bottle of Ponamfo Antifungal Treatment Pen, a human over the counter drug labeled by Guangzhou Bixiaoyu Trading Co., Ltd.. This solution is formulated for topical use and contains undecylenic acid as the active substance.

Is this product currently listed with the FDA?

Yes, this product is active and verified within the NDC Directory. It was introduced to the market by Guangzhou Bixiaoyu Trading Co., Ltd. on July 28, 2026. The current certification is valid through December 31, 2027.

How is this Guangzhou Bixiaoyu Trading Co., Ltd. product billed for insurance claims?

For medical billing and reimbursement, this package follows the 11-digit CMS format: 85959000401. The table below illustrates the segment conversion from the 10-digit labeler code to the 11-digit provider format.

11-Digit Code Conversion

Billing payers usually require a 5-4-2 segment configuration. Below is the conversion from the 10-digit package format to the 11-digit billing format:

10-Digit Format (5-3-2)
85959-004-01
11-Digit CMS (5-4-2)
85959-0004-01

Note: The zero is added to the Product segment to maintain the 5-4-2 structure.