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NDC Lookup

FDA National Drug Codes

NDC Lookup

Browse every product in the FDA NDC Directory below, or search by NDC, brand, generic, manufacturer or HCPCS code. Each product has its own page with package NDCs in 11-digit billing format.

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NDCs work with or without dashes. Names can be partial: “keytr” finds Keytruda.

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Source: FDA NDC Directory via openFDA; Med-Code HCPCS directory (curated)
Source data updated: Oct 2, 2026

The NDC Directory lists products with current listings. Search results are cached for up to 6 hours.

Reference information only. Verify codes and billing rules against the applicable payer and official source before submitting a claim. How Med-Code handles data.

Products starting with N

4,729 products (finished products)

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FDA NDC Directory, brand names starting with N — page 23
Product	Strength	Form · route	Labeler	Application	Product NDC	Package NDCs (11-digit)	HCPCS
Natrum Nitricum	Sodium nitrate 500 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1113	37662-1113-0137662-1113-0237662-1113-03+1 more	—
Natrum Nitricum	Sodium nitrate 1 [hp_M]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1114	37662-1114-0137662-1114-0237662-1114-03+1 more	—
Natrum Oxydatum	Sodium oxide 6 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-3848	37662-3848-0137662-3848-0237662-3848-03	—
Natrum Oxydatum

Sodium oxide 12 [hp_C]/1

PelletOral

Hahnemann Laboratories, INC.

Unapproved homeopathic

37662-3849

37662-3849-0137662-3849-0237662-3849-03

—

Natrum Oxydatum	Sodium oxide 30 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-3850	37662-3850-0137662-3850-0237662-3850-03+1 more	—

Natrum Oxydatum	Sodium oxide 100 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-3851	37662-3851-0137662-3851-0237662-3851-03+1 more	—

Natrum Oxydatum	Sodium oxide 200 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-3852	37662-3852-0137662-3852-0237662-3852-03+1 more	—

Natrum Oxydatum	Sodium oxide 500 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-3853	37662-3853-0137662-3853-0237662-3853-03+1 more	—

Natrum Oxydatum	Sodium oxide 1 [hp_M]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-3854	37662-3854-0137662-3854-0237662-3854-03+1 more	—

Natrum Oxydatum	Sodium oxide 1 [hp_Q]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-3855	37662-3855-01	—

Natrum phosphoricumsodium phosphate, dibasic, heptahydrate	Sodium phosphate, Dibasic, Heptahydrate 6 [hp_C]/6[hp_C]	PelletOral	Boiron	Unapproved homeopathic	0220-3604	00220-3604-41	—

Natrum phosphoricumsodium phosphate, dibasic, heptahydrate	Sodium phosphate, Dibasic, Heptahydrate 12 [hp_C]/12[hp_C]	PelletOral	Boiron	Unapproved homeopathic	0220-3605	00220-3605-41	—

Natrum phosphoricumsodium phosphate, dibasic, heptahydrate	Sodium phosphate, Dibasic, Heptahydrate 30 [hp_C]/30[hp_C]	PelletOral	Boiron	Unapproved homeopathic	0220-3608	00220-3608-41	—

Natrum phosphoricumsodium phosphate, dibasic, heptahydrate	Sodium phosphate, Dibasic, Heptahydrate 200 [kp_C]/200[kp_C]	PelletOral	Boiron	Unapproved homeopathic	0220-3609	00220-3609-41	—

Natrum phosphoricumsodium phosphate, dibasic, heptahydrate	Sodium phosphate, Dibasic, Heptahydrate 6 [hp_X]/1	PelletOral	Boiron	Unapproved homeopathic	0220-3611	00220-3611-41	—

Natrum phosphoricumsodium phosphate, dibasic, heptahydrate	Sodium phosphate, Dibasic, Heptahydrate 1 [hp_M]/[hp_M]	PelletOral	Boiron	Unapproved homeopathic	0220-3617	00220-3617-41	—

Natrum Phosphoricum	Sodium phosphate, Dibasic, Heptahydrate 6 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1887	37662-1887-0137662-1887-0237662-1887-03	—

Natrum Phosphoricum	Sodium phosphate, Dibasic, Heptahydrate 12 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1888	37662-1888-0137662-1888-0237662-1888-03	—

Natrum Phosphoricum	Sodium phosphate, Dibasic, Heptahydrate 30 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1889	37662-1889-0137662-1889-0237662-1889-03+1 more	—

Natrum Phosphoricum	Sodium phosphate, Dibasic, Heptahydrate 100 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1890	37662-1890-0137662-1890-0237662-1890-03+1 more	—

Natrum Phosphoricum	Sodium phosphate, Dibasic, Heptahydrate 200 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1891	37662-1891-0137662-1891-0237662-1891-03+1 more	—

Natrum Phosphoricum	Sodium phosphate, Dibasic, Heptahydrate 500 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1892	37662-1892-0137662-1892-0237662-1892-03+1 more	—

Natrum Phosphoricum	Sodium phosphate, Dibasic, Heptahydrate 1 [hp_M]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1893	37662-1893-0137662-1893-0237662-1893-03+1 more	—

Natrum Phosphoricum	Sodium phosphate, Dibasic, Heptahydrate 10 [hp_M]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1894	37662-1894-0137662-1894-0237662-1894-03+1 more	—

Natrum Phosphoricum 6Xnatrum phosphoricum	Sodium phosphate, Dibasic, Heptahydrate 6 [hp_X]/1	PelletSublingual	SEVENE USA	Unapproved homeopathic	76472-4097	76472-4097-01	—

Natrum Phosphoricum 8010natrum phosphoricum	Sodium phosphate, Dibasic, Heptahydrate 6 [hp_X]/59mL	LiquidOral	Professional Complementary Health Formulas	Unapproved homeopathic	63083-8010	63083-8010-02	—

Natrum Salicylicum	Sodium salicylate 6 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1147	37662-1147-0137662-1147-0237662-1147-03	—

Natrum Salicylicum	Sodium salicylate 12 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1148	37662-1148-0137662-1148-0237662-1148-03	—

Natrum Salicylicum	Sodium salicylate 30 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1149	37662-1149-0137662-1149-0237662-1149-03+1 more	—

Natrum Salicylicum	Sodium salicylate 100 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1150	37662-1150-0137662-1150-0237662-1150-03+1 more	—

Natrum Salicylicum	Sodium salicylate 200 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1151	37662-1151-0137662-1151-0237662-1151-03+1 more	—

Natrum Salicylicum	Sodium salicylate 500 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1152	37662-1152-0137662-1152-0237662-1152-03+1 more	—

Natrum Salicylicum	Sodium salicylate 1 [hp_M]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1153	37662-1153-0137662-1153-0237662-1153-03+1 more	—

Natrum Sulph	Sodium sulfate 1 [hp_X]/mL	LiquidOral	Rxhomeo Private Limited d.b.a. Rxhomeo, Inc	Unapproved homeopathic	15631-2863	15631-2863-0015631-2863-01	—

Natrum Sulphuratum	Sodium sulfate 6 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1176	37662-1176-0137662-1176-0237662-1176-03	—

Natrum Sulphuratum	Sodium sulfate 12 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1177	37662-1177-0137662-1177-0237662-1177-03	—

Natrum Sulphuratum	Sodium sulfate 30 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1178	37662-1178-0137662-1178-0237662-1178-03+1 more	—

Natrum Sulphuratum	Sodium sulfate 100 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1179	37662-1179-0137662-1179-0237662-1179-03+1 more	—

Natrum Sulphuratum	Sodium sulfate 200 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1180	37662-1180-0137662-1180-0237662-1180-03+1 more	—

Natrum Sulphuratum	Sodium sulfate 500 [hp_C]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1181	37662-1181-0137662-1181-0237662-1181-03+1 more	—

Natrum Sulphuratum	Sodium sulfate 1 [hp_M]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1182	37662-1182-0137662-1182-0237662-1182-03+1 more	—

Natrum Sulphuratum	Sodium sulfate 1 [hp_Q]/1	PelletOral	Hahnemann Laboratories, INC.	Unapproved homeopathic	37662-1183	37662-1183-01	—

Natrum sulphuricumsodium sulfate	Sodium sulfate 5 [hp_C]/5[hp_C]	PelletOral	Boiron	Unapproved homeopathic	0220-3626	00220-3626-41	—

Natrum sulphuricumsodium sulfate	Sodium sulfate 6 [hp_C]/6[hp_C]	PelletOral	Boiron	Unapproved homeopathic	0220-3627	00220-3627-41	—

Natrum sulphuricumsodium sulfate	Sodium sulfate 6 [hp_X]/1	PelletOral	Boiron	Unapproved homeopathic	0220-3629	00220-3629-41	—

Natrum sulphuricumsodium sulfate	Sodium sulfate 10 [hp_M]/10[hp_M]	PelletOral	Boiron	Unapproved homeopathic	0220-3631	00220-3631-41	—

Natrum sulphuricumsodium sulfate	Sodium sulfate 9 [hp_C]/9[hp_C]	PelletOral	Boiron	Unapproved homeopathic	0220-3634	00220-3634-41	—

Natrum sulphuricumsodium sulfate	Sodium sulfate 12 [hp_C]/12[hp_C]	PelletOral	Boiron	Unapproved homeopathic	0220-3635	00220-3635-41	—

Natrum sulphuricumsodium sulfate	Sodium sulfate 15 [hp_C]/15[hp_C]	PelletOral	Boiron	Unapproved homeopathic	0220-3638	00220-3638-41	—

Natrum sulphuricumsodium sulfate	Sodium sulfate 30 [hp_C]/30[hp_C]	PelletOral	Boiron	Unapproved homeopathic	0220-3639	00220-3639-41	—

Showing 1,101–1,150 of 4,729