What is NDC 83661-018?

83661-018 is the product NDC for Qlosi (pilocarpine hydrochloride), Pilocarpine hydrochloride 4 mg/mL solution, listed with the FDA by Orasis Pharmaceuticals, Inc.. It has 4 package NDCs, shown above in 10- and 11-digit form.

What drug is associated with this NDC?

Qlosi (Pilocarpine Hydrochloride).

Orasis Pharmaceuticals, Inc., NDC labeler code 83661. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Qlosi?

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.

Qlosi NDC 83661-018 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)83661-018Labeler and product segments. Claims need a package NDC.

Product NDC at billing width83661-0018Add 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
83661-018-10	8366100181083661001810	10 VIAL, SINGLE-USE in 1 BOX (83661-018-10) / .4 mL in 1 VIAL, SINGLE-USEMarketed from Jan 15, 2025
83661-018-20	8366100182083661001820	20 VIAL, SINGLE-USE in 1 BOX (83661-018-20) / .4 mL in 1 VIAL, SINGLE-USEMarketed from Jan 15, 2025
83661-018-30	8366100183083661001830	30 VIAL, SINGLE-USE in 1 BOX (83661-018-30) / .4 mL in 1 VIAL, SINGLE-USEMarketed from Oct 15, 2024
83661-018-60	8366100186083661001860	60 VIAL, SINGLE-USE in 1 BOX (83661-018-60) / .4 mL in 1 VIAL, SINGLE-USEMarketed from Jan 15, 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): Qlosi
Generic name (nonproprietary): pilocarpine hydrochloride
Active ingredients: Pilocarpine hydrochloride — 4 mg/mL
Dosage form: Solution
Route: Ophthalmic
Labeler: Orasis Pharmaceuticals, Inc.NDC labeler code 83661
Product type: Prescription drug
Marketing category: NDA — New Drug ApplicationApplication NDA 217836
Marketing start: Oct 15, 2024
Listing expires: Dec 31, 2026
Other FDA classes: Cholinergic Agonists (Mechanism)Cholinergic Muscarinic Agonists (Mechanism)
Identifiers: Product ID 83661-018_35bee113-ab9f-605d-e063-6394a90ac5a2SPL ID 35bee113-ab9f-605d-e063-6394a90ac5a2SPL set ID 4ee2a840-1203-473a-aa42-316a3ddf2fbeRxCUI 2695439, 2695445UNII 0WW6D218XJUPC 0383661018301
Pharmacologic class: Cholinergic Receptor Agonist

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

NDC on a medical claim

N483661001810 followed by a unit qualifier and the quantity

Package 83661-0018-10. 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 May 30, 2025.

Indications (excerpt from the label)

QLOSI is indicated for the treatment of presbyopia in adults. QLOSI is a cholinergic agonist indicated for the treatment of presbyopia in adults. ( 1 )

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 83661-018

What is NDC 83661-018?: 83661-018 is the product NDC for Qlosi (pilocarpine hydrochloride), Pilocarpine hydrochloride 4 mg/mL solution, listed with the FDA by Orasis Pharmaceuticals, Inc.. It has 4 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Qlosi (Pilocarpine Hydrochloride).
What is the active ingredient?: Pilocarpine hydrochloride.
Who is the labeler?: Orasis Pharmaceuticals, Inc., NDC labeler code 83661. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Qlosi?: 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.

Qlosi (Pilocarpine hydrochloride) NDC 83661-018