Piperacillin-Tazobactam for Injection, 3.375 g Vial
Anti-infectivesVital, 99% service targetPrimary vendor Harborline Pharmaceuticals, lead 1 day, ordered every 3 days63323030030
Stock position
- On hand
- 1,684 vial23.9 days of supply
- On order
- 38 vialfirst arrives Tue Sep 15
- Forecast rate
- 70.4 vial/daynext 30 days
- Demand over 4 days
- 301 viallead time plus review period
- Safety stock
- 108 vialempirical 99th percentile of forecast error
- Reorder point
- 409 vialabove
- Stockout
- Fri Oct 9
- Recommended order
- noneby Tue Oct 6
- Inventory value
- $11,451at $6.80 per vial
How the forecast was made
Exponential smoothing10% weekly error, under-forecast32% worse than naive
A weighted recent average that learns the weekday pattern and any trend. Recent days count more than old ones.
Report card: the model was fit on history up to Tue Jul 21 and scored on the 56 days after. Weekly totals were off by 10% on average (21% day by day), and it under-forecast by 10% overall. A same-weekday-last-week guess would have been off by 8%.
actual forecast, 80% and 95% range what the model said during the report card windowvial/day
Projected on hand, vial: today's stock plus open orders on their expected dates, minus the forecast, day by day.
Lots and expiry
Earliest-expiry-first simulation against the forecast. Waste is what remains in a lot on its expiry date.
| Lot | Quantity | Expires | Days | Unit cost | Projected waste |
|---|---|---|---|---|---|
| L00022 | 1,082 | Tue Jun 13 | 638 | $6.80 | 0 vial · $0 |
| L00021 | 602 | Tue Jul 25 | 680 | $6.80 | 0 vial · $0 |
Vendors and prices, last 90 days
| Vendor | Part number | Vendor description | Sells by | Paid per vial | Invoices | 90-day spend | Pairing |
|---|---|---|---|---|---|---|---|
| Harborline Pharmaceuticals | 63323030030 | PIPERACILLIN NA,TAZOBACTAM NA 3; .375 G/15ML; G/15ML VIAL EA | EA of 1 | $6.10 | 29 | $29,178 | stand-in |
| Cobalt Rx Distributors | CRX-22474 | PIPERA 3;.375G/15ML;G/15ML SDV 10CT | PK of 10 | $6.37 | 14 | $15,095 | stand-in |