Isoflurane NDC 12164-012

NDC codes

FDA NDC Directory

Product NDC (as listed)12164-012Labeler and product segments. Claims need a package NDC.

Product NDC at billing width12164-0012Add 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
12164-012-10	12164001210	100 mL in 1 BOTTLE, GLASS (12164-012-10)Marketed from Oct 20, 1999
12164-012-25	12164001225	250 mL in 1 BOTTLE, GLASS (12164-012-25)Marketed from Oct 20, 1999

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): Isoflurane
Generic name (nonproprietary): isoflurane
Active ingredients: Isoflurane — 1 mL/mL
Dosage form: Liquid
Route: Respiratory (Inhalation)
Labeler: Halocarbon Life Sciences, LLC
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 075225
Marketing start: Oct 20, 1999
Listing expires: Dec 31, 2026
Other FDA classes: General Anesthesia (Physiologic effect)
Identifiers: Product ID 12164-012_c05e1421-6ea8-4037-b552-6ca4e5d992fcSPL ID c05e1421-6ea8-4037-b552-6ca4e5d992fcSPL set ID e8e57cd7-b662-4e1c-beda-e73a4b3d16aeRxCUI 542347UNII CYS9AKD70P
Pharmacologic class: General Anesthetic

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 drug-specific HCPCS code in Med-Code's directory for this product. The directory is curated and not complete — check the current CMS HCPCS file before billing.

NDC on a medical claim

N412164001210 followed by a unit qualifier and the quantity

Package 12164-0012-10. 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 Sep 13, 2024.

Indications (excerpt from the label)

INDICATIONS AND USAGE Isoflurane may be used for induction and maintenance of general anesthesia. Adequate data have not been developed to establish its application in obstetrical anesthesia.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)