The short version
5 companies supply this market — a reasonable cushion if one runs into trouble.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Ammonia N 13
Ammonia N-13 · AMMONIA N-13 37.5 mCi/mL · Injection, Solution · Intravenous · The University of Texas Southwestern Medical Center
NDC 70681-0001-30 · 30 mL in 1 VIAL, GLASS · ANDA · View full market →
Medicare Part D
No Medicare Part D plan in CMS's quarterly files lists this product. That usually means it is discontinued, a repackager's listing, or a product no plan has added to its formulary.
How Part D pricing works →NADAC price per unit
No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Supply fragility
Not scored — fragility is computed for NADAC-priced NDCs.
Where it's made
- The University of Texas Southwestern Medical CenterUnited Statesanalysis · label · pack · positron emission tomography drug production
Establishments this product's FDA label declares, located via FDA registration data. How we built this →
Is this a "specialty" drug?
There's no legal definition — it meets 1 of 6 public criteria. Why that matters →
- Part D specialty tier
- Costs ≥ $950/fill
- Biologic (BLA)
- Injectable / infused
- Orphan-drug exclusivity
- REMS program
Regulatory
- Application
- ANDA209507
- TE code
- AP
- Approval date
- Nov 1, 2019
- Patents / exclusivity
- None on file
Shortage history
No FDA shortage reports for this drug or its presentations.
Recalls (this NDC)
No enforcement reports list this package NDC.
Manufacturers of Ammonia N-13 (Injection, Solution)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Biomedical Research Foundation of Northwest Louisiana | AMMONIA N-13 37.5 mCi/mL | Jul 15, 2026 | Sep 2, 2026 |
| Massachusetts General Hospital | AMMONIA N-13 37.5 mCi/mL | Jul 15, 2026 | Sep 2, 2026 |
| Mayo Clinic | AMMONIA N-13 37.5 mCi/mL | Jul 15, 2026 | Sep 2, 2026 |
| Precision Nuclear LLC | AMMONIA N-13 260 mCi/mL | Jul 15, 2026 | Sep 2, 2026 |
| The University of Texas Southwestern Medical Center | AMMONIA N-13 37.5 mCi/mL | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Ammonia N 13 — NDC 70681-0001-30," retrieved September 3, 2026, https://drugdashboards.com/drug/70681000130.
Free to cite with attribution — see how the data is put together.